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?

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Accepted Answer

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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