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13 votes
13 votes
​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 Velocity
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1 Answer

25 votes
25 votes

Answer:

9.5hrs

Explanation:

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

User ChrisMe
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