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OpenStudy (anonymous):
It takes Joan 6 times longer than jane to file the reports. Together they can file the reports in 42 minutes. How long would it take each woman to file the reports by herself?
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OpenStudy (rulnick):
Jane's rate is 6x rep/min. Joan's is x rep/min. 42(6x+x)=k Jane could do it in k/6x = 49 min Joan could do it in k/x = 314 min
OpenStudy (anonymous):
Thanks!
OpenStudy (rulnick):
Correction: 314 should be 294, sorry.
OpenStudy (rulnick):
Check: 1/294 + 1/49 = 1/42.
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