SOLUTION: Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the       Log On


   



Question 817631: Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the garage alone?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
6/h+6/s=1,
h=s+9
h = 18, s = 9