Question

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Caroline spent $56.32 on groceries after using coupons and store discounts. Without the coupons and store discounts, the groceries would have cost $64.00. What is the total discount Caroline received at the grocery store?

A. 8%

B. 14%

C. 9%

D. 12%

Answer 1

Answer:

D. 12%

Step-by-step explanation:

64-56.32= 7.68

(7.68÷64)×100= 12%

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Answer 2

Answer:

D. 12%

Step-by-step explanation:

1. Find the amount of money Caroline saved

Original - spent

Subsitute in the given values,

64 - 56.32 = 7.68

2. Set up a proportion

A proportion is

$\frac{part}{whole} = \frac{percent}{100}$

Substitute in the values;

$\frac{7.68}{64}=\frac{percent}{100}$

Cross products;

(7.68)(100) = (64)(percent)

768 = 64 * percent

Inverse operations;

768 = 64 percent

/64      /64

12 = percent

Caroline had a 12% discount.