9
Answer: ASet 3: Percentages (Advanced)
Explanation
PROBLEM
A meal costs $70. If you add a 10% tip, what is the total?
A meal costs $70. If you add a 10% tip, what is the total?
A.✓ Correct
77
B.
154
C.
82
D.
72
Detailed Explanation
Choice A is the best answer. Tip = 10% of 70 = 7. Total = 70 + 7 = $77
Why others are wrong:
B: 154 is incorrect because it does not satisfy the equation.
C: 82 is incorrect because it does not satisfy the equation.
D: 72 is incorrect because it does not satisfy the equation.