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Mathematics, 18.05.2021 01:30 rafrod75

Lisa, an experienced shipping clerk, can fill a certain order in 13 hours. Felipe, a new clerk, needs 15 hours to do the same job. Working together, how long will it
take them to fill the order?

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Lisa, an experienced shipping clerk, can fill a certain order in 13 hours. Felipe, a new clerk, nee...
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