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A store purchased 20 coats that each cost an equal amount and then sol

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Re: A store purchased 20 coats that each cost an equal amount and then sol [#permalink]
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Let the cost of each coat be x, the sales price be y. We just want to know what is 20(y-x).
For 1, we knew that 20(2y-x)=2400, insufficient to find y-x
For 2, we knew that 20(y+2-x)=440, we can get 20(y-x)=400. It's sufficient.
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Re: A store purchased 20 coats that each cost an equal amount and then sol [#permalink]
Statement 1: Info related to cost missing - Insufficient
Statement 2: estimation is made that if 2 more than GP = 440, thus 20*2 = 40, reduce the estimation profit you get 400, actual profit. Sufficient
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Re: A store purchased 20 coats that each cost an equal amount and then sol [#permalink]
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Re: A store purchased 20 coats that each cost an equal amount and then sol [#permalink]
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