£20 is divided between Colin, Dan & David so that Colin gets twice as much as Dan, and Dan gets three times as much as David. How much does Colin get?

Answers

Answer 1

Answer:

£12

Step-by-step explanation:

Let Colin - x, Dan - y, David - z.

We have:

x + y + z = 20x = 2yy = 3z

Substitute and solve for z:

2y + y + z = 203y + z = 203(3z) + z = 2010z = 20z = 2

Now find x and y:

y = 3*2 = 6x = 2*6 = 12
Answer 2

Answer:

£12

Step-by-step explanation:

Let the David's money be x

If David gets = x

Dan will get = 3x

Colin gets = 3x x 2

= 6x

So, the total money can be write as

[tex]x + 3x + 6x = 10x[/tex]

So, now let's find the amount of money which David have

[tex]10x = 20 \\ \frac{10x}{10} = \frac{20}{10} \\ x = 2[/tex]

So, David will get £2

And now let's find the amount of money which Colin will get

[tex]6x = 6 \times 2 \\ = 12[/tex]

He will get £12

Hope this helps you.

Let me know if you have any other questions :-):-)


Related Questions

Pls answer!! I will mark brainliest!

Answers

Answer:

I'm thinking it might be 9

hi! i need help on number 4 and 5 please! this is due tmr

Answers

Answer:

In the picture

Step-by-step explanation:

Hey again ! If you have any question feel free to ask !!

Question 4:

Solve for the variable N in [tex]55+8n=4n+107[/tex]

Answer:

[tex]n=13[/tex]

Step-by-step explanation:

1. Subtract [tex]4n+107[/tex] from both sides; [tex]4x-52[/tex]

2. Separate variable [tex]n[/tex] by adding [tex]52[/tex] to both sides; [tex]4n=52[/tex]

3. Simplify equation by dividing by [tex]4[/tex] on both sides; [tex]=13[/tex]

Question 5:

Solve for the variable N in [tex]6-6x=5x-9x-2[/tex]

Answer:

[tex]x=4[/tex]

Step-by-step explanation:

1. Subtract [tex]5x-9x-2[/tex] from both sides; [tex]8-2x[/tex]

2. Separate variable [tex]x[/tex] by adding [tex]2x[/tex] to both sides; [tex]8=2x[/tex]

3. Simplify equation by dividing by [tex]2[/tex] on both sides; [tex]4=x[/tex]

9 A fountain is a right rectangular prism that is 2 yd long.
o
3yd wide, and 13 yd high. The fountain is full of water.
What is the volume of the water in the fountain? Show your work.

Answers

2•3•13 = 78
Length • width • height

assistance to people in distres?

Answers

Answer:

humanitarian aid

Step-by-step explanation:

I'm so confused how do you do this

Answers

Answer:

16

Step-by-step explanation:

Opposite angles are non-adjacent angles formed by two intersecting lines. Opposite angles are congruent (equal in measure).

3x = 2x + 16

x = 16

----------------

check

3 * 16 = 2 * 16 + 16

48 = 48

the answer is good

Answer:

x=16

Step-by-step explanation:

Since both angles are vertically opposite, there fore they equal each other.

2x + 16 = 3x

Subtract 3x from both sides

2x - 3x + 16 = 3x - 3x

-x + 16 = 0

-x = 0-16

-x = -16 (Multiply both sides by -1)

x = 16

---------

3x 16 = 48

2*16 + 16 = 48

Please help I’ll mark as brainliest!! And explain why too

Answers

Answer:

A=2 B=1

Step-by-step explanation:

B is distributive because you have to foil the x out of the parenthesis

A is  because when three or more numbers are added (or multiplied), the sum (or the product) is the same regardless of the grouping of the addends.

Here are two spinners (picture attached)

Answers

Step-by-step explanation:

you can subtract the spinner a from spinner b and then find the probability

Find the 7th term of the geometric sequence show below
-x^7, -2x^12, -4x^17,…

Answers

By looking at the formula that the rule is the coefficient of x times z to the power plus 2

so we can write the following geometric sequence

-x⁷,-2x¹²,-4x¹⁷,-8x²²,-16x²⁷.-32x⁵²....

solve for t


3/4t=1/4
PLEASE HELP

Answers

Answer:

1/3

Step-by-step explanation:

1) Simplify 3/4t to 3t/4

3t/4 = 1/4

2) Multiply both sides by 4

3t = 1/4 x 4

3) Cancel 4

3t = 1

4) Divide both sides by 3

t = 1/3

Trapezoid LMNO is dilated by a scale factor of 3/4 to form trapezoid L'M'N'O'. Side O'L' measures 6. What is the measure of side OL?

Answers

Dilating a trapezoid involves changing its size.

The measure of side OL is 8

The given parameters are:

[tex]\mathbf{O'L' = 6}[/tex]

[tex]\mathbf{k = \frac 34}[/tex]

Side length O'L' is calculated using:

[tex]\mathbf{O'L' = OL \times k}[/tex]

Make OL the subject

[tex]\mathbf{OL = \frac{O'L'}{k}}[/tex]

So, we have:

[tex]\mathbf{OL = \frac{6}{3/4}}[/tex]

[tex]\mathbf{OL = 8}[/tex]

Hence, the measure of side OL is 8

Read more about dilations at:

https://brainly.com/question/13176891

The radius of a cycle wheel is 35cm . Find the number of turns required to cover a distance of 1540m​

Answers

Answer:

700 turns

Step-by-step explanation:

hey

______________

in 1 round distance covered = circumference

•radius = 35/100 m

•circumference = 2πr

=2×22/7×35/100

=44×5/100

= 220/100 m

220/100 m covered in 1 turn

1540m covered in 1540×100/220 = 700

hence ans is 700 turns

hope helped

_________________ PLEASE GIVE BRAINLIEST

Answer:

Approximately 700 times

PLS PLS help! A computer and printer cost a total of $1299. The cost of the computer is two times the cost of the printer. Find the cost of each item.

Answers

Answer:

Computer is $866

Printer is $433

Step-by-step explanation:

We can form two equations given our variables:

Let's assume the computer=C and the Printer=P.

1) C+P=1299

2) 2P=C

Now we just plug in the 2nd equation into the 1st.

(2P+P)=1299

3P=1299

P=1299/3

P=433

Now that we know the value of the printer, we can subtract that from the total price:

1299-433=866

C=866

What is the value of the power 7³​

Answers

Answer:

343

Step-by-step explanation:

[tex]7^3 = 7 * 7 * 7[/tex] [tex]7 * 7 * 7 = 49 * 7[/tex] [tex]49 * 7 = 343[/tex]

Therefore, the answer is 343.

7^3 means 7 cubed, or 7*7*7.

7 times 7 is 49. 49 times 7 is 343.

Hope this helps! :)

Mrs. Consebit receivend eigth trays of bread as a gift from her Freinds. If each tray of bread ha 3/4 donuts, how many donuts are there in all

Answers

Answer:

6 donuts

Step-by-step explanation:

8/1 times 3/4 equals 24/4 = 6 donuts

Please solve fast. Q.No. 26 and 29.
26. x²+5x+25/4
27. x²/4y²-2/3+4y²/9x²​

Answers

Step-by-step explanation:

26. x²+5x+25/4 = (x + 5/2)²

29. x²/4y²-2/3+4y²/9x² = (x/2y - 2y/3x)²

Answer:

In attachment I have answered this problem.↑↑

f(x)=(x^3-14x^2+56x-64)

Find rational zeros

Answers

Answer:

(x - 2) • (x - 4) • (x - 8)

Step-by-step explanation:

The first term is,  x2  its coefficient is  1 .

The middle term is,  -6x  its coefficient is  -6 .

The last term, "the constant", is  +8  

Step-1 : Multiply the coefficient of the first term by the constant   1 • 8 = 8  

Step-2 : Find two factors of  8  whose sum equals the coefficient of the middle term, which is   -6 .

     -8    +    -1    =    -9  

     -4    +    -2    =    -6    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -4  and  -2  

                    x2 - 4x - 2x - 8

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (x-4)

             Add up the last 2 terms, pulling out common factors :

                   2 • (x-4)

Step-5 : Add up the four terms of step 4 :

                   (x-2)  •  (x-4)

            Which is the desired factorization

Martin is an after-school math tutor. He noticed that 6 people still needed help and only Two-fifths of the tutoring session time was left. Since each person is to be given an equal amount of time, Martin wrote the expression below to find the fraction of the tutoring session each person who still needed help would be allotted.

Two-fifths divided by 6

Answers

Answer:

ya

Step-by-step explanation:

6 1/2 - 7/8 divided by 5 11/16?

Answers

Answer:

90/91 ans

Step-by-step explanation:

=6×2+1/2 -7/8÷(5×16+11)/16

=12+1/2-7/8÷91/16

=13×8-7×2/16÷91/16

=90/91

can I wear it with you?

know my name is Shin Tae
I'm from South Korea

about :

123+478= ??

thank you​

Answers

Answer:

123+478= 601

Step-by-step explanation:

u r from south korea ,cool. !

Answer:

601

Step-by-step explanation:

Help me please! Brainliest to first answer, must include answer to both questions!

Answers

Answer:

(In picture with steps)

Step-by-step explanation:

^

Sorry this took so long! I was doing the work, hope it helped anyways!

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

Answer:

2a. =  X = -5      2b. =  X = -4

Step-by-step explanation:

Hope this helps!

2a.   2 - 2x - 5 = 7

-2x = 7 + 5 - 2

-2x = 10

x = -5

2b.    -6 + x + 4 = -6

x = -6 - 4 + 6

x = -10 + 6

x = -4

n+2/25=n-4/35 (solve for n)

Answers

hhwgwoahauaiahnwjsdjwhsjs

6.) Which is the correct equation for the following graph?

Answers

Answer:

A

Step-by-step explanation:

ok so we know the y is -5 (where the line crosses the y axis) so we can eliminate B & D. the answer is not C because the slope would be less steep

Help me please and thank you

Answers

Answer:

y > x^2 - 6

y > x^2 + 2

Step-by-step explanation:

If the mZ5 = 63°, find the measure of Z3.

Answers

Answer:

117°

Step-by-step explanation:

The value of m∠3 and m∠5 will add up to 180, so you can do 180 - 63 to find the answer.

Find the surface area of the cylinder below. Round your answer to two decimal places.

Answers

Answer:

728.85

Step-by-step explanation:

Surface area of a cylinder equation: A = 2πrh+2πr²

A = (2π(4)(25))+(2π(4²))

A = 728.85cm³

OLZ HELP ME WILL GIVE BRAINLIEST!!!!!!!!!

Answers

Answer:

All are functions but the 1st one

Step-by-step explanation:

generally, if you have an equation that will repeat x values, it's not a function. The first one has an infinite number of x values

Please help!! ILL GIVE BRAINLIEST TO THE FASTEST CORRECT PERSON!

Answers

Answer:

-0.5

Step-by-step explanation:

Rate of change is easily found by the change in y values/change in x values.

how to simplify 4 to 1 ratio

Answers

Answer:

Note that the ratio 12 to 3 is said to be equivalent to the ratio 4 to 1, that is 12:3 = 4:1.

Answer:

12:3 = 4.1

Step-by-step explanation:

12 to 3 is equal or equivalent to the ratio to 4 and 1 so the answer is 12:3 = 4.1

plz help me with these questions

Answers

1 and 5 - corresponding
2 and 7 - consecutive interior
3 and 5 - none
3 and 8 - alternate exterior
4 and 7 - alternate interior
4 and 8 - none

A publisher published 456987 books in the year 2001, 374569 books in 2002, and 963258 books in 2003. Compare and write the highest and least number of published books in the given years​

Answers

Answer:

The Publisher published most books (963258) in the year 2003. And the least books (374569) in the year 2002.

Step-by-step explanatio

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