SOLUTION: Monica takes one hour to wash a car and Hilary takes one hour to wash a car. If they work together, how long will it take them to wash one car?
Monica, still, takes one hour to
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Question 875067: Monica takes one hour to wash a car and Hilary takes one hour to wash a car. If they work together, how long will it take them to wash one car?
Monica, still, takes one hour to wash a car and Bill takes two hours to wash a car. If they work together, how long will it take them to wash one car?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x + x = 1
2x = 1
x = 1/2 hr
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