SOLUTION: it takes julie 60 minutes to pick the staples out of the wall in the hallway. Zach can do the same job in 40 minutes . how long will it take them if they work together?
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Question 832055: it takes julie 60 minutes to pick the staples out of the wall in the hallway. Zach can do the same job in 40 minutes . how long will it take them if they work together?