A printer produces posters at a constant rate of 42 posters per minute. At what rate, in posters per hour, does the printer produce the posters?
Correct answer: B. 2520
- A. 1250
- B. 2520
- C. 3150
- D. 2450
Explanation
The correct answer is 2,520. There are 60 minutes in one hour. At a rate of 42 posters per minute, the number of posters produced in one hour can be determined by (42 posters / 1 minute) (60 minutes / 1 hour), which is 2,520 posters per hour.
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