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GMAT Prep Q

by bbaah » Fri Sep 26, 2008 6:14 am
John and Mary own shares of stock in a certain company. Does John own more shares of the company's stock than Mary?

(1) Mary owns more than 500 shares of the company's stock

(2) The number of shares of the company's stock that John owns is 400 less than twice the number of shares of the company's stock that Mary owns

OA is C.

Why not E?
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Source: — Data Sufficiency |
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by kuroneko1313 » Fri Sep 26, 2008 7:45 am
Let J be John and M be Mary.

According to 1: M > 500
According to 2: J = 2M - 400

Look at #2: let's say plug in 501 will already give you a number bigger than 500.

Hence answer is C. Hope that helps.
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Senior | Next Rank: 100 Posts
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Plugging in -

by bbaah » Fri Sep 26, 2008 9:31 am
That helps. Thanks.
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