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Mathematics, 21.05.2020 16:58 nschavez123

Maria, an experienced shipping clerk, can fill a certain order in 9 hours. Bill, a

new clerk, needs 10 hours to do the same job. Working together, how long will it

take them to fill the order?

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Answers: 3

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Maria, an experienced shipping clerk, can fill a certain order in 9 hours. Bill, a

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