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Source: Official Guide for the GMAT 13th Ed. Data Sufficiency; #71 Official Guide for the GMAT 2015 14th Ed. Data Sufficiency; #71

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1

Mary persuaded n friends to donate $500

Mary persuaded n friends to donate $500 each to her election campaign, and then each of these n friends persuaded n more people to donate $500 each to Mary's campaign. If no one donated more than once and if there were no other donations, what was the value of n?

1 Explanation

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2

Mike McGarry, Magoosh Tutor

Jan 4, 2014 • Comment

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Section 6.3 Data Sufficiency

Section 6.3 Data Sufficiency

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