Problem-Solving and Data AnalysisHardPercent increase in a bill
Problem-Solving and Data Analysis practice question
A household's monthly water bill rose from $60 to $66. By what percent did the bill increase?
Answer: 10
6/60 = 10%.
Common wrong answers
- If you answered 6
- 6 is the increase in dollars.
- If you answered 110
- 110 is the new bill as a percent of the old.
- If you answered 9.09
- 9.09 divides 6 by 66, the new amount.
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