Problem-Solving and Data AnalysisHardBill before a service charge
Problem-Solving and Data Analysis practice question
A restaurant bill of $84 includes a 12% service charge added to the cost of the food. What was the cost of the food, in dollars, before the service charge?
Answer: 75
1.12 × food = 84, so food = 75.
Common wrong answers
- If you answered 72
- 72 subtracts 12 dollars.
- If you answered 73.92
- 73.92 subtracts 12% of 84 from 84.
- If you answered 94.08
- 94.08 adds 12% to 84.
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