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2) No resident of County X earns an income of more than $350,000. OA B ### GMAT/MBA Expert GMAT Instructor Joined 02 Jun 2008 Posted: 2528 messages Followed by: 353 members Upvotes: 1090 GMAT Score: 780 Statement 1 is insufficient, because maybe everyone earns$65,000, and the answer to the question is 'no', or maybe someone earns $1 trillion, and the percent of income collected is close to 40%. If someone earns$350,000, they pay:

20% on their first $100k 25% on their next$50k
30% on their next $50k 35% on their next$50k
40% on their last $100k The first and last percentages in the list above are taken from the same amount of money, so will average to 30% (the average of 20% and 40%), and the middle three are also taken from the same amounts, so average to 30% (the average of 25%, 30% and 35%). So someone earning$350k is paying exactly 30%, and if $350k is the maximum income in the community, the state can't possibly collect more than 30% from any individual earner, let alone from the total income of all residents. So the answer is B. _________________ If you are looking for online GMAT math tutoring, or if you are interested in buying my advanced Quant books and problem sets, please contact me at ianstewartgmat at gmail.com • 1 Hour Free BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • Free Trial & Practice Exam BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • Free Practice Test & Review How would you score if you took the GMAT Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code • FREE GMAT Exam Know how you'd score today for$0

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