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avgs sold items

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avgs sold items [#permalink]

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New post 28 Jul 2008, 10:36
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This topic is locked. If you want to discuss this question please re-post it in the respective forum.

how does one solve this??
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Re: avgs sold items [#permalink]

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New post 28 Jul 2008, 10:41
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arjtryarjtry wrote:
how does one solve this??


Statement 1) is insuff. since it only tells number of tables sold.

For statement 2) he average selling price is 200

Now average selling price of chair is 170 and table is 250

Let number of chairs sold be x and number of tables sold be y

170x + 250y / (x + y) = 200

30x = 50y

x = 5/3 y

Therefore x is more than y which means statement 2) is suff.

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New post 28 Jul 2008, 10:45
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250+170/2 = 210
210 < 200 so chairs sold should be more than tables sold. To reduce the ration further.

Other way of looking at it is 250 is 50 away from 50, while 170 is just 30 so we need more of 170 to compensate for bigger 250.

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New post 28 Jul 2008, 10:48
thanks both of you...its so simple, but i dont know why i could not get the goddamn concept while solving the problem.

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New post 28 Jul 2008, 10:54
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Note that the average selling price of items (that is, total revenues/# of items sold) is $200.

If the store sold as many tables as it did chairs, the average selling price should have been (170+250)/2 = $210. As it is indeed $200, we can say it sells more chairs than it does tables (e.g. 5 chairs and 3 tables).

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Re: avgs sold items [#permalink]

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New post 28 Jul 2008, 12:13
Thanks, guys. All of your explanations are very clear.
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haveaniceday

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Re: avgs sold items   [#permalink] 28 Jul 2008, 12:13
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