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# GMAtPrep :DS

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Joined: 26 Apr 2006
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13 Aug 2006, 18:14
00:00

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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14 Aug 2006, 00:03
E.

Let x be the price of the sofa last year.
Let n be the number of sofas sold last year.

Revenue = Number of sofa sold * price per sofa.

1) Not suff. We don't know the price of the sofa.
2) Not suff. We don't know how many sofas were sold.

Together
R1 = xn
R2 = (x+30)11n/10

Percent = R2-R1/R1 * 100
= (x+30)11n/10 - xn /xn
= xn/10 + 33n/ xn

Not suff.
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