1

Set 4: Ratios Rates Proportions (Beginner)

Explanation

Answer: B

PROBLEM

If 8 items cost $72, what is the cost per item?

If 8 items cost $72, what is the cost per item?

A.

4

B.

9

✓ Correct
C.

11

D.

12

Detailed Explanation

Choice B is the best answer. Cost per item = 72 / 8 = $9

Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
C: 11 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.