Mathematics, 01.04.2020 18:36 chammusa2
To solve work problems, find the portion of the job each person completes in 1 unit of time. The sum of these portions is the portion of the job completed in 1 unit of time. You can mop a floor in 8 minutes. Your friend can mop the same floor in 12 minutes. Working together, how much time does it take to mop the floor?
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To solve work problems, find the portion of the job each person completes in 1 unit of time. The sum...
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