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A man can do a job in 3 hours.  A woman can do the same job in 2 hours.  How long does it take them to complete the job when working together?

 May 21, 2020
 #1
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1 job / 3 hours  +  1 job / 2 hours  =  1 job / x hours 

 

2/6 + 3/6  = 5/6    Together the job takes them 5/6 hour

 May 21, 2020
 #2
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WOOOPS .... a little arithmetic error .... the answer is 6/5 hours

Guest May 21, 2020

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