SOLUTION: It takes joan 3 times longer than jane to file reports. together they can do it in 12 minutes. How long would it take each woman to file the reports alone?
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Question 404894: It takes joan 3 times longer than jane to file reports. together they can do it in 12 minutes. How long would it take each woman to file the reports alone? Answer by Tatiana_Stebko(1539) (Show Source):
You can put this solution on YOUR website! If Jane do all work alone in x minutes, then in 1 minute she can do part of work
It takes Joan 3 times longer than Jane to file reports, so Joan can do all work alone in minutes, then in 1 minute she can do part of work
If they work together 12 minutes, then Jane does part of work, Joan does part of work. In 12 minutes they did all work, all work is 1.
Equation Multiply both sides by x
So Jane needs 16 minutes for all work, Joan needs minutes
