4
Answer: BSet 1: Percentages (Advanced)
Explanation
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.✓ Correct
34.5
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.