SOLUTION: one watering system needs about 3 times as long to complete a job as another watering system. When both systems operate at the same time,the job can be completed in 9 minutes. How
Algebra.Com
Question 458138: one watering system needs about 3 times as long to complete a job as another watering system. When both systems operate at the same time,the job can be completed in 9 minutes. How long does it take each system to do the job alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
9/x+9/3x=1
9/x+3/x=1
9+3=x
12=x
36=3x
RELATED QUESTIONS
One watering system needs about 3 times as long to complete a job as another watering... (answered by stanbon)
One watering system needs about three times as long to complete a job as another watering (answered by CubeyThePenguin)
one watering system needs about 3 times as long to complete a job as another watering... (answered by checkley71)
I following problem has me confused. I came up with the answer 4.5, I don't think it's... (answered by TakeATuition.com)
The irrigation system needs about 3 times as long to complete a job as another irrigation (answered by josmiceli)
Suppose that you have a rectangular field that requires watering. Your watering system... (answered by ikleyn)
One copy machine copies twice as fast as another. If both copiers work together, they can (answered by ankor@dixie-net.com)
One printer takes 4 hours to complete a job. Another printer can do the same job in 3... (answered by ptaylor)
A farmer has a square plot of land. An irrigation system can be installed with the option (answered by ankor@dixie-net.com)