SOLUTION: Ed can do a job in 4 days. When Ed and Maymay work together, it would take them 2 1/2 days. How long would the job take maymay to do the job alone?

SOLUTION: Ed can do a job in 4 days. When Ed and Maymay work together, it would take them 2 1/2 days. How long would the job take maymay to do the job alone?

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Question 900941: Ed can do a job in 4 days. When Ed and Maymay work together, it would take them 2 1/2 days. How long would the job take maymay to do the job alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
rate for A alone 4
rate for A & B together 2.5
1/a+1/b=1/x
1/4+1/b=1/2.5
1/b=1/2.5-1/4
1/b=4/10.0-2.5/10.0
1/b=1.5/10.0
1/b=1/6.66666667
b=6.66666667
rate for B alone 6.66666667

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