SOLUTION: John can completely wash and dry the dishes in 20 mins. His brother can do it in 30. How long will it take them to do it together?
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Question 905464: John can completely wash and dry the dishes in 20 mins. His brother can do it in 30. How long will it take them to do it together?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x time together
3x + 2x = 60
5x = 60
x = 12min, time together
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