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by lim.aguskurniawan
Fri Dec 28, 2012 2:51 pm
 
Forum: GMAT Official Practice Test Math
Topic: Running at their respective constant rates, Machine X takes
Replies: 33
Views: 17274
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Re: Running at their respective constant rates, Machine X takes

Hi , I somehow do not get the same answer. can anybody advise? what is wrong with me equation. here is the logic: suppose x can finish the widget in x day, then y can finish the widget in x-2 days. given that if 2 machines X and Y can finish 5/4 widgets in 3 days, in order to finish 2 widgets, machi...