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Akimi4 [234]
3 years ago
8

A new clothing store is offering 30 free points to customers who sign up for their rewards card. Then for each shirt a customer

buys, they earn an additional number of points. Mr. Smith signs up for the rewards card and purchases 3 shirts. He earns 75 points.
How many additional points does a customer earn on purchasing one shirt?

Write an equation that represents the relationship between the number of shirts purchased, n , and the total number of points earned, p .
Mathematics
2 answers:
algol [13]3 years ago
8 0
P = 3n + 30
p = 75
75 = 3n + 30
45 = 3n
n = 15
A customers earns 15 additional points on purchasing one shirt.
balu736 [363]3 years ago
7 0

p = 3n + 30

p = 75

75 = 3n + 30

45 = 3n

n = 15

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A candidate took a phone poll of 110 people. Of the 110 people polled, 87 said they would vote for the other person. There are 9
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Option B

7569 number of people are going to vote for the other candidate

<em><u>Solution:</u></em>

Given that candidate took a phone poll of 110 people

Of the 110 people polled, 87 said they would vote for the other person

There are 9570 people in the district

You can set up this problem like a proportion

Let "x" be the number of people who would vote for the other candidate

\frac{87}{110} = \frac{x}{9570}

To solve proportions, you cross-multiply. This means you multiply the numerator by the other denominator, and the denominator by the other numerator

87 \times 9570 = 110 \times x

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x = 7569

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hope this helps you.

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