Set 4: Ratios Rates Proportions (Beginner)

[Variation 1] **Choice A is the best answer.** Cost per item = 30 / 10 = 3 dollars

Explanation

Answer: A

PROBLEM

Recent studies show that if 10 items cost $30, what is the cost per item?

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

✓ Correct

Detailed Explanation

[Variation 1] Choice A is the best answer. Cost per item = 30 / 10 = $3

Why others are wrong:

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

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

D: 6 is incorrect because it does not satisfy the equation.