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OpenStudy (msmr):
Jeremy can paint a house in 3 days, Katie in 5 days and Bill in 7 days. How long will it take them to paint the house?
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OpenStudy (saifoo.khan):
Jermy's share = 1/3 Katie's share = 1/5 Bill's share = 1/7 therefore, \[\frac 1x = \frac 13 + \frac 15 + \frac 17\]
OpenStudy (msmr):
thank you! i wasn't sure whether it would be the fraction or not.
OpenStudy (saifoo.khan):
Welcome.
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