Source: Official Guide for GMAT Review 2016 Problem Solving; #69

3

In a recent election, Ms. Robbins received

In a recent election, Ms. Robbins received 8,000 votes cast by independent voters, that is, voters not registered with a specific political party. She also received 10 percent of the votes cast by those voters registered with a political party. If N is the total number of votes cast in the election and 40 percent of the votes cast were cast by independent voters, which of the following represents the number of votes that Ms. Robbins received?

1 Explanation

1

Shantanu Mukherjee

40% of N are independent voters,
Therefore 60% of N are not independent voters. From this group she received 10% votes so, (10/100 x 60/100)N + 8,000 (votes from independents): total=0.1*0.6*N+8,000=0.06*N+8,000.
Option E

Mar 23, 2017 • Comment

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