Tracy can mow the lawn with a power mower in 20 minutes. Hai can mow it with a hand mower in 50 minutes. How long will it take them if they cooperate?

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asked Oct 16, 2021 184k views

1 vote

Tracy can mow the lawn with a power

mower in 20 minutes. Hai can mow it with
a hand mower in 50 minutes. How long
will it take them if they cooperate?

Mathematics
middle-school

Davis Molinari asked

by Davis Molinari

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1 Answer

3 votes

Answer:

14.29 minutes

Explanation:

take the sum of their time 1/20+1/50,then find the reciprocal

Nskalis answered Oct 20, 2021

by Nskalis

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