Mathematics High School

jerry bought 5 candy bars for $14.75. if the king size candy bar cost $3.75 and a regular size candy bar cost $1.75, how much of each candy bar did he buy?
one equation looks like:

3.75x+1.75y=14.75

Answers

Answer 1

Answer:

King size(x): 3

Regular size(y): 2

Steps:

System of Equations:

x+y = 5

3.75x+1.75y = 14.75

Multiply 3.75 on all sides.

3.75x+3.75y = 18.75

3.75x+1.75y = 14.75

Subtract top and bottom

            2y  = 4

            /2      /2

             y   =  2

After you know regular size amount, figure out king size ----3.

5-2 = 3.    

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Answer:

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Step-by-step explanation:




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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answers

Answer:

is  the last one brof

Step-by-step explanation:

I’d say the third one

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Answers

A number is written in scientific notation if it's composed of a whole number or decimal between 1 and 10 (including 1, but not 10) times a power of ten.

Answer:

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Answers

Answer:

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Step-by-step explanation:

because 6 divided by 20 = 0.3

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

Answer:

Compared to the graph of y = x, the graph of y = -2x is steeper.

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Answers

Answer:

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2

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thena=1×r=4

b=1×r

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Answers

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

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Student council is selling Roses and Candy Grams for Valentine's Day. Each Candy Gram costs $1.50
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Letr represent
Let c represent
I

Answers

Answer:

Number of Roses sold = 132

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Step-by-step explanation:

Let the number of Roses sold = [tex]r[/tex]

Let the number of Candy Grams sold = [tex]c[/tex]

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Cost of [tex]x[/tex] Roses = $1.50 [tex]r[/tex]

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Total number of Roses and Candy Grams sold = 217

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[tex]r+c=217 ..... (1)[/tex]

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Writing equation as per question statement:

[tex]\$1.50r+\$2.00c=\$368 ..... (2)[/tex]

Using elimination method, let us eliminate [tex]y[/tex] of the two equations.

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So, the answer is:

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Answers

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Answers

Answer:

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Answers

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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A bookstore is advertising 25% off all books today. What is the sale price of a book that has a retail price of $18?

a.$13.50
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c.$22.50
d.$16.50

Answers

it’s a
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A caterer charges $275 for 15 people and $425 for 25 people. The cost, y, is a
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form for this situation.

Answers

Answer:

y = 15x + 50

Step-by-step explanation:

We set out by finding the slope

the two points give are (15,275) and (25,425)

Slope m is;

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So the equation is like;

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Answers

Answer:

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