SOLUTION: A man can do a piece of work in 5 days,but the help of his son he can do it in 3 days in what time can the son do it?

SOLUTION: A man can do a piece of work in 5 days,but the help of his son he can do it in 3 days in what time can the son do it?

Algebra.Com

Question 822092: A man can do a piece of work in 5 days,but the help of his son he can do it in 3 days in what time can the son do it?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/5+1/x=1/3
1/x=5/15-3/15
1/x=2/15
x=7.5

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