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Mathematics 14 Online
OpenStudy (anonymous):

You can stuff 108 envelopes in 45 minutes. At this rate, how many can you stuff in 2 hours?

OpenStudy (anonymous):

help plz

OpenStudy (anonymous):

By the statement, you can assume that you can stuff 36 envelopes in 15 minutes. Knowing this: you know that 4 times 15 minutes equals 1 hour, so 2 hours are equal to 8 times 15 minutes. In 2 hours you can stuff 36 envelopes times 8. 36*8= 288 stuffed envelopes in 2 hours.

OpenStudy (anonymous):

thank !

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