SOLUTION: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone?

SOLUTION: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone?

Algebra.Com

Question 830196: Phillip can clean a garage in 9 hours less time than his brother Chris. Working together, they can do the job in 20 hours. How long would it take each one to do the job alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/x+1/(x-9)=1/20
x = 45
x-9=36

RELATED QUESTIONS
Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it (answered by richwmiller)

Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it (answered by josmiceli)

Dan can clean the garage in 6 hours. Bea can do the same job in 8 hours. if they work... (answered by Alan3354)

joann can clean all the snow from a strip of driveway in 4 hours less time than it takes... (answered by richwmiller)

Two brothers can do a job together in 6 hours. Working alone, the younger brother takes 2 (answered by josgarithmetic)

Two brothers can do a job together in 6 hours. Working alone, the younger brother takes 2 (answered by solver91311)

Two brothers can do a job together in 6 hours. Working alone, the younger brother takes 2 (answered by josgarithmetic)

The O'Connors own a small janitorial service. John requires 1 and one half hours (answered by josgarithmetic)

The O'Connors own a small janitorial service. John requires 3/4 hour more time to clean... (answered by stanbon)