9

Set 5: Ratios Rates Proportions (Beginner)

Explanation

Answer: A

PROBLEM

If 4 items cost $28, what is the cost per item?

If 4 items cost $28, what is the cost per item?

A.

7

✓ Correct
B.

10

C.

3

D.

5

Detailed Explanation

Choice A is the best answer. Cost per item = 28 / 4 = $7

Why others are wrong:
B: 10 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.