SOLUTION: 3. Jim can fill a pool carrying buckets 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 poo

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Question 162418: 3. Jim can fill a pool carrying buckets 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?
A. 12 minutes
B. 15 minutes
C. 21 minutes
D. 23 minutes
E. 28 minutes

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Add the rates of each doing the job separately

multiply both sides by 1.5




The answer is (b) 15 min

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