Mathematics, 15.04.2020 02:52 rrgg6234
LisaLisa, an experienced shipping clerk, can fill a certain order in 1010 hours. BillBill, a new clerk, needs 1111 hours to do the same job. Working together, how long will it take them to fill the order?
Answers: 3
hours.Bill, a new clerk, needs 
hours to do the same job.
hours
hours
hours
hours
hours to fill the order when working together.
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LisaLisa, an experienced shipping clerk, can fill a certain order in 1010 hours. BillBill, a new cle...
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