During a one day sale, a store sold each sweater of a : GMAT Data Sufficiency (DS)
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# During a one day sale, a store sold each sweater of a

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During a one day sale, a store sold each sweater of a [#permalink]

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17 Apr 2010, 07:03
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During a one day sale, a store sold each sweater of a certain type for $30 more than the store's cost to purchase each sweater. How many of thses sweaters were sold during the sale? (1) During the sale, the total revenue from the sale of these sweaters was$270.

(2) During the sale, the store sold each of these sweaters at a price that was 50% greater than the store's cost to purchase each sweater.
[Reveal] Spoiler: OA

Last edited by Bunuel on 23 Oct 2012, 05:28, edited 1 time in total.
Edited the question.
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17 Apr 2010, 07:27
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sandranjeim wrote:
During a one day sale, a store sold each sweater of a certain type for $30 more than the store's cost to purchase each sweater. How many of thses sweaters were sold during the sale? 1) During the sale, the total revenue from the sale of these sweaters was$270.

2) During the sale, the store sold each of these sweaters at a price that was 50% greater than the store's cost to purchase each sweater.

OA=C

Given: $$p=c+30$$

(1) (Revenue) = (price) * (# of sweaters sold) --> $$270=p*n=(c+30)n$$. Not sufficient to determine $$n$$.

(2) $$p=1.5c=c+30$$ --> $$c=60$$. Not sufficient.

(1)+(2) $$c=60$$ and $$270=(c+30)n=90n$$ --> $$n=3$$. Sufficient.

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Re: During a one day sale, a store sold each sweater of a [#permalink]

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23 Oct 2012, 05:23
Revenue = price * # of sweaters sold --> . Not sufficient to determine .

here We can consider Revenue is selling price - cost price , Can we ?
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Kudos [?]: 93068 [0], given: 10541

Re: During a one day sale, a store sold each sweater of a [#permalink]

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23 Oct 2012, 05:36
amitvmane wrote:
Revenue = price * # of sweaters sold --> . Not sufficient to determine .

here We can consider Revenue is selling price - cost price , Can we ?

The total revenue from the sale is (price per unit) * (# of units sold).

(Selling price per unit) - (Cost price per unit) = (Gross profit from one unit).
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Re: During a one day sale, a store sold each sweater of a [#permalink]

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18 Jun 2015, 17:09
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Re: During a one day sale, a store sold each sweater of a [#permalink]

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10 Sep 2016, 12:38
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: During a one day sale, a store sold each sweater of a   [#permalink] 10 Sep 2016, 12:38
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