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What amount did Jean earn from the commission on her sales

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What amount did Jean earn from the commission on her sales [#permalink] New post 18 May 2008, 15:26
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E

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Question Stats:

72% (02:07) correct 28% (00:21) wrong based on 30 sessions
What amount did Jean earn from the commission on her sales in the first half of 1988 ?

(1) In 1988 Jean's commission was 5 percent of the total amount of her sales.
(2) The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half.

OPEN DISCUSSION OF THIS QUESTION IS HERE: what-amount-did-jean-earn-from-the-commission-on-her-sales-144332.html
[Reveal] Spoiler: OA

Last edited by Bunuel on 29 Dec 2013, 02:43, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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Re: DS-sales [#permalink] New post 18 May 2008, 15:39
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goalsnr wrote:
What amount did Jean earn from the commission on her sales in the first half of 1988 ?
(1) In 1988 Jean's commission was 5 percent of the total amount of her sales.
(2) The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half.



E

you need to know the actual amount of sale

statement 1: obviously insuff

statement 2: jean could be averaging $1 per month in the first half, and $10001 per month in the second half
OR $1000000/month in the first half and $1010000 in the second half

Both statement still don't tell you how much her sales was. Furthermore, you don't know what her commission rate in the first half of the year was, it could be the same for the whole year or not.
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Re: DS-sales [#permalink] New post 18 May 2008, 15:46
I think the answer is E

From 1 : Sales commission = 5 % of Sales for the year
We don't know the amount of sales for the year

From 2 :
If x represents the amount of sales per month done by Jean

Sales commission = 5/100 *(12x + 60000)
We don't know the amount of sales for the month
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Re: What amount did Jean earn from the commission on her sales [#permalink] New post 08 Nov 2011, 12:28
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Rephrase: Commission in first half of 1988 =?
(1) Commission is 5% of sales - Not sufficient. No sales amounts given for 1988
(2) First half sales = second half sales - 60000 - Not sufficient. no commision percent

(1)+(2) => 5/100 (second half sales - 60000)=> Not sufficient

ans: E
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Re: What amount did Jean earn from the commission on her sales [#permalink] New post 29 Dec 2013, 02:30
IMO E,
Please add the OA if possible.

PS: The answer is E as per OG.
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Re: What amount did Jean earn from the commission on her sales [#permalink] New post 29 Dec 2013, 02:44
Expert's post
What amount did Jean earn from the commission on her sales in the first half of 1988 ?

(1) In 1988 Jean's commission was 5 percent of the total amount of her sales. Nothing about the amount of Jean's sales. Not sufficient.

(2) The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half. If the average sales per month in the first half was x, then the total sales for the year was 6x+6(x+10,000). Not sufficient.

(1)+(2) Commission = 0.05*(6x+6(x+10,000)), we need the value of x to answer the question. Not sufficient.

Answer: E.

OPEN DISCUSSION OF THIS QUESTION IS HERE: what-amount-did-jean-earn-from-the-commission-on-her-sales-144332.html
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Re: What amount did Jean earn from the commission on her sales   [#permalink] 29 Dec 2013, 02:44
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