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01 May 2011, 13:48
00:00

Difficulty:

45% (medium)

Question Stats:

61% (02:07) correct 39% (00:45) wrong based on 23 sessions

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During a sale, a clothing store sold each shirt at a price of $15 and each sweater at a price of$25.00 Did the store sell more sweaters than shirts during the sale?

1) The average of the prices of all of the shirts and sweaters that the store sold during the sale was $21.00 2) The total of the prices of all of the shirts and sweaters that the store sold during the sale was$420.00
[Reveal] Spoiler: OA
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Re: During a sale, a clothing store sold each shirt at a price of $15 and [#permalink] ### Show Tags 01 May 2011, 15:52 WE can do this without even framing eqn. Stat 1 says that avg of all shirts and sweaters = 21.00$ means its closer to the price of sweaters ($25) vis-a-vis that of shirts ($20) hence more of sweaters must have been sold.

hence statement 1 alone is sufficient to answer the question

stat 2 says that 15 shirts + 25 sweaters = 420 hence cannot be solved.

thus Ans - A
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12 Apr 2017, 14:17
agdimple333 wrote:
During a sale, a clothing store sold each shirt at a price of $15 and each sweater at a price of$25.00 Did the store sell more sweaters than shirts during the sale?

1) The average of the prices of all of the shirts and sweaters that the store sold during the sale was $21.00 2) The total of the prices of all of the shirts and sweaters that the store sold during the sale was$420.00

During a sale, a clothing store sold each shirt at a price of $15 and each sweater at a price of$25. Did the store sell more sweaters than shirts during the sale?

(1) The average (arithmetic mean) of the prices of all the shirts and sweaters that the store sold during the sale was $21 --> since the average sale price of$21 is closer to $25 than to$15 then store sold more sweaters than shirts (sweaters have more weight in the weighted average and thus pulled it closer to $21). Sufficient. (2) The total of the prices of all the shirts and sweaters that the store sold during the sale was$420 --> 15x + 25y =420 --> 3x+5y=84. If x=8 and y=12 then x<y but if x=13 and y=5 then x>y. Not sufficient.

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Re: During a sale, a clothing store sold each shirt at a price of $15 and [#permalink] 12 Apr 2017, 14:17 Similar topics Replies Last post Similar Topics: 5 A store sold 6 bicycles with an average sale price of$1,000. What was 5 03 Mar 2016, 23:02
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# During a sale, a clothing store sold each shirt at a price of \$15 and

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