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If 3 men can get a work done in 3 days (72 hours), how many hours does it take to do the same job with 2 men (assuming productivity is equal).

 

I don't want a raw answer, but the steps to solve the equation, thanks!

 Sep 28, 2016
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We could use an equation, but a little logic seems better......3 men finish a job in 3 days........then each day, the 3 men do 1/3 of the job......so 1 man does 1/3 of this each day = 1/9 of the job. And 2 men could do twice this = 2/9 of the job each day.......so.......just invert the fraction to find out how long it would take the 2 men to finish the whole job =   9/2 days = 4.5 days  !!!!!

 

 

 

cool cool cool

 Sep 28, 2016

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