AlgebraEasyMinutes passed on a parking meter
Algebra practice question
A parking meter showed 120 minutes when it was paid. It now shows 45 minutes remaining. How many minutes have passed?
Answer: 75
120 − m = 45 gives m = 75.
Common wrong answers
- If you answered 45
- 45 is the time remaining.
- If you answered 85
- 85 is an arithmetic slip in 120 − 45.
- If you answered 165
- 165 adds the two times.
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