AlgebraEasyPages printed in a given time
Algebra practice question
A printer prints 20 pages every minute, so the number of pages it prints in m minutes is P = 20m. How many pages does it print in 7 minutes?
Answer: 140
P = 20 × 7 = 140.
Common wrong answers
- If you answered 27
- 27 is 20 + 7, adding instead of multiplying.
- If you answered 70
- 70 is 10 × 7, using half the rate.
- If you answered 2.86
- 2.86 is 20/7, dividing instead of multiplying.
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