Sunday, May 3, 2009

Problem 20 - GMAT Number Properties

If (p - q) is not equal to zero, what is the value of p/(p - q)?

1) 13p - 11q = 0

2) 13 - p = 11 + q

2 comments:

  1. 13p-11q=0
    13p=11q
    p=11q/3

    substitute into p/(p-q)
    => 11q/(11q/3-q)=33/8

    ReplyDelete