Mathematics, 23.05.2021 03:00 ghettorapnelsop10kus

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.

Answers: 2

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Working alone, Wilbur can mop a warehouse in 11 hours. Perry can mop the
same warehouse in 9...