Mathematics, 03.08.2019 22:10 naiajNan
Janet, an experienced shipping clerk, can fill a certain order in 10 hours. bill, a new clerk, needs 11 hours to do the same
job. working together, how long will it take them to fill the order?
Answers: 1
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Janet, an experienced shipping clerk, can fill a certain order in 10 hours. bill, a new clerk, needs...
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