If 10 items cost 30 dollars, what is the cost per item?

**Choice D is the best answer.** Cost per item = 30 / 10 = 3 dollars

**Choice D is the best answer.** Cost per item = 30 / 10 = 3 dollars

Set 1: Ratios Rates Proportions (Beginner)

Explanation

Answer: D

PROBLEM

If 10 items cost $30, what is the cost per item?

✓ Correct

Choice D is the best answer. Cost per item = 30 / 10 = $3

Why others are wrong:

A: 5 is incorrect because it does not satisfy the equation.

B: 1 is incorrect because it does not satisfy the equation.

C: 2 is incorrect because it does not satisfy the equation.

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