SOLUTION: Two people working together can finish laying a hardwood floor in 10 hours which the first can do alone in 15 hours. How long would it take the second person to do alone?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Two people working together can finish laying a hardwood floor in 10 hours which the first can do alone in 15 hours. How long would it take the second person to do alone?      Log On


   

Question 860190: Two people working together can finish laying a hardwood floor in 10 hours which the first can do alone in 15 hours. How long would it take the second person to do alone?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/15+1/x=1/10
2/30+1/x=3/30
1/x=1/30
x=30
check
10/15+10/30=1
2/3+1/3=1
ok