SOLUTION: Isabel can peel five pounds of apples in 12 minutes. John can do the same job in 15 minutes. How long would it take them to peel five pounds of apples if they worked on it together
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Question 994302: Isabel can peel five pounds of apples in 12 minutes. John can do the same job in 15 minutes. How long would it take them to peel five pounds of apples if they worked on it together?
Answer by ikleyn(52802) (Show Source): You can put this solution on YOUR website!
.
+ = + = = .
This part of 5 pounds of apples Isabel and John can peel together in 1 (one) minute: of 5 pounds per minute.
Hence, it will take = minutes, or 6 minutes and 40 seconds, for Isabel and John to peel 5 pounds of apples if they will work on it together.
For more problems on joint work see the lesson Using fractions to solve word problems on joint work in this site.
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