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?

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.
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