Mathematics, 21.04.2020 05:17 tiffanibell71

Maria, an experienced shipping clerk, can fill a certain order in 3 hours. Bill, a new clerk, needs 4 hours to do the same job. Working together, how long will it take
them to fill the order?

Answers: 3

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Maria, an experienced shipping clerk, can fill a certain order in 3 hours. Bill, a new clerk, needs...