SOLUTION: Janet, an experienced shipping clerk, can fill a certain order in 5 hours. Felipe, a new clerk, needs 8 hours to do the same job. Working togeth

Question 1020666: Janet, an experienced shipping clerk, can fill a certain order in 5 hours. Felipe, a new clerk, needs 8 hours to do the same job. Working together, how long will it take them to fill the order?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
We set this up this way
t/5 + t/8 = 1
Now multiply by 40 and get
8t + 5t = 40
13t = 40
t = 40/13 hours
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