SOLUTION: Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool tog

Algebra ->  Human-and-algebraic-language -> SOLUTION: Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool tog      Log On


   



Question 30640: Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?
Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
1 1/2 = 3/2 =1.5 = 90minutes
Equation:

Common denomenator = 90
3x%2F90%2B2x%2F90%2B1x%2F90
6x%2F90
6x=90
x=15

Hence, it would take them 15 minutes to do the job together.
Paul.