Source: Official Guide for the GMAT 13th Ed. Problem Solving; #227 Official Guide for the GMAT 2015 14th Ed. Problem Solving; #227
akshay padman
writing this eq as 15x10^(-4+m)/3x10^(-2+k)=5x10^7 which gives m-2-k=7 m-k=9
Nov 10, 2015 • Comment
Mike McGarry, Magoosh Tutor
Dec 28, 2013 • Comment
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