SOLUTION: Joel can finish a work in 10 days, after he has worked for 2 days, Sam came to help him and together they finish it in 3 days. In how many days could B to do work alone?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Joel can finish a work in 10 days, after he has worked for 2 days, Sam came to help him and together they finish it in 3 days. In how many days could B to do work alone?      Log On


   

Question 845707: Joel can finish a work in 10 days, after he has worked for 2 days, Sam came to help him and together they finish it in 3 days. In how many days could B to do work alone?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2/10+3/10+3/x=1
5/10=3/x
x=6
B can do the job alone in 6 days.