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GMAT Prep: Percentage

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Source: — Problem Solving |
Junior | Next Rank: 30 Posts
Posts: 14
Joined: Mon Jul 23, 2007 12:49 am

by humans » Sun May 03, 2009 5:32 am
Let x be the amount of purchase

3% of x = 12 gives x = 400

8% of 400 = 32. So amount she paid is 400 + 32 = 432
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