SOLUTION: It takes Gary 1 hr. to milk all the cows, and it takes Dana 1.5 hrs. How long will it take them to do the job together?
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Question 255444: It takes Gary 1 hr. to milk all the cows, and it takes Dana 1.5 hrs. How long will it take them to do the job together? Answer by richwmiller(17219) (Show Source):
