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​Lisa, an experienced shipping​ clerk, can fill a certain order in 9 hours. Felipe​, a new​ clerk, needs 10 hours to do the same job. Working​ together, how long will it take them to fill the​ order?

​Lisa, an experienced shipping​ clerk, can fill a certain order in 9 hours. Felipe-example-1
User Apotek
by
8.2k points

1 Answer

5 votes

Answer:

9.5hrs

Explanation:

since they are working together you have to take the average time since is the same order

User Danielschnoll
by
8.0k points
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