9
Answer: ASet 5: Ratios Rates Proportions (Beginner)
Explanation
PROBLEM
If 4 items cost $28, what is the cost per item?
If 4 items cost $28, what is the cost per item?
A.✓ Correct
7
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.