4

Set 1: Percentages (Advanced)

Explanation

Answer: B

PROBLEM

A meal costs $30. If you add a 15% tip, what is the total?

A meal costs $30. If you add a 15% tip, what is the total?

A.

69

B.

34.5

✓ Correct
C.

39.5

D.

24.5

Detailed Explanation

Choice B is the best answer. Tip = 15% of 30 = 4.5. Total = 30 + 4.5 = $34.5

Why others are wrong:
A: 69 is incorrect because it does not satisfy the equation.
C: 39.5 is incorrect because it does not satisfy the equation.
D: 24.5 is incorrect because it does not satisfy the equation.