SOLUTION: If it takes Jerry 30 hours to build a shed in the back yard and Tom 15 hours. How long will it take if they work together?
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Question 1059179: If it takes Jerry 30 hours to build a shed in the back yard and Tom 15 hours. How long will it take if they work together? Answer by math_helper(2461) (Show Source):
You can put this solution on YOUR website! Jerry completes 1/30 of the work, per hour, by himself
Tom completes 1/15 of the work, per hour, by himself
Together, they complete work per hour
So, they can complete the shed in 10 hours.
