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A store purchased 20 coats that each cost an equal amount

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Senior Manager
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A store purchased 20 coats that each cost an equal amount [#permalink]

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New post 11 Oct 2007, 08:36
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A store purchased 20 coats that each cost an equal amount and then sold each of the 20 coats at an equal price. What wa the store's gross profit on the 20 coats?

1)If the selling price per coat had been twice as much, the store's gorss profit on the 20 coats would have been $2,400.
2)If the selling price per coat had benn $2 more, the store's gross profit on the 20 coats would have been $440.

Please explain.
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 [#permalink]

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New post 11 Oct 2007, 09:07
gross profit = 20(sell-buy)

A) 20(2xsell-buy)=2400

Insuff

B) 20(sell+2 -buy)=440

20(sell - buy)=400

suff
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Re: DS - Coats [#permalink]

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New post 11 Oct 2007, 09:11
leeye84 wrote:
A store purchased 20 coats that each cost an equal amount and then sold each of the 20 coats at an equal price. What wa the store's gross profit on the 20 coats?

1)If the selling price per coat had been twice as much, the store's gorss profit on the 20 coats would have been $2,400.
2)If the selling price per coat had benn $2 more, the store's gross profit on the 20 coats would have been $440.

Please explain.


I get B :

Stmtn1;

20(2SP - CP ) = 2400
INSUFF to get SP - CP

Stmtn 2
20( SP +2 - CP ) = 440 .
SP-CP = 20
SUFF..gross profit = 400
Re: DS - Coats   [#permalink] 11 Oct 2007, 09:11
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A store purchased 20 coats that each cost an equal amount

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