lijasmin100 lijasmin100

01-03-2020
Mathematics

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Working alone, Hongyi can do a certain job in three hours and Yuming can do the same job in two hours. At these rates, how long would it take Hongyi and Yuming to do this job working together?

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jimmyc20080614 jimmyc20080614

01-03-2020

Answer:

it would take 2 hours because of the average of 3 plus 2 plus 1 divided by 3

Step-by-step explanation:

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