KAY L.

asked • 06/27/18

WORD PROBLEMS

Three postal workers can sort a stack of mail in 20 minutes, 25 minutes, and 100 minutes, respectively. Find how long it takes them to sort the mail if all three work together.

2 Answers By Expert Tutors

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Tony H. answered • 06/28/18

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5.0 (462)

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Tracey M. answered • 06/27/18

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