SOLUTION: Steve Dalton can mow his lawn in 4 hours. His sister Diane can now the same lawn in 3 hours. How many hours will it take them to mow the lawn if they work together?
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-> SOLUTION: Steve Dalton can mow his lawn in 4 hours. His sister Diane can now the same lawn in 3 hours. How many hours will it take them to mow the lawn if they work together?
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Question 888409: Steve Dalton can mow his lawn in 4 hours. His sister Diane can now the same lawn in 3 hours. How many hours will it take them to mow the lawn if they work together? Found 2 solutions by JulietG, richwmiller:Answer by JulietG(1812) (Show Source):
You can put this solution on YOUR website! It takes 7 man-hours for Steve and Diane to mow 2 lawns, or 3.5 man-hours per lawn. Working together, it will take half that amount of time, or 1.75 man-hours. 1.75 man-hours = 1 hour 45 minutes.
