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At Crate And Barrel, the worker Andy can craft a table in 6 days, while the worker Benjamin can craft a table in 8 days.

If they were to work together, how many days will it take for them to craft 7 tables?

 Jul 10, 2020
 #1
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    7/  (  1/6  + 1/8)   = 24 days

 Jul 10, 2020

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