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Working alone, Wilbur can mop a warehouse in 11 hours. Perry can mop the same warehouse in 9 hours. Find how long it would take them if they worked together.
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Working alone, Wilbur can mop a

warehouse in 11 hours. Perry can mop the
same warehouse in 9 hours. Find how
long it would take them if they worked
together.

User Dominic Barnes
by
4.4k points

1 Answer

2 votes

It would be 20 hours

Explanation:

let me know if I am wrong thxs

User Mafis
by
3.7k points
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