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If a salesman received a commission of 3% of the sales

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If a salesman received a commission of 3% of the sales [#permalink]

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New post 01 Mar 2017, 05:51
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  25% (medium)

Question Stats:

71% (01:10) correct 29% (01:19) wrong based on 49 sessions

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If a salesman received a commission of 3% of the sales that he has booked in a month, what was the sales booked by the salesman in the month of November 2003?


1. The sales booked by the salesman in the month of November 2003 minus salesman's commission was $245,000
2. The selling price of the sales booked by the salesman in the month of November 2003 were 125 percent of the original purchase price of $225,000.

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If a salesman received a commission of 3% of the sales [#permalink]

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New post 01 Mar 2017, 11:15
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ashwink wrote:
If a salesman received a commission of 3% of the sales that he has booked in a month, what was the sales booked by the salesman in the month of November 2003?


1. The sales booked by the salesman in the month of November 2003 minus salesman's commission was $245,000
2. The selling price of the sales booked by the salesman in the month of November 2003 were 125 percent of the original purchase price of $225,000.


This is a good illustration of why we should translate DS word problems into algebra on paper before trying to solve them. If you do too much of the work in your head, it's easy to get your variables mixed up, think you have variables that you don't, etc.

Here's my translation:

Question: c = 0.03s. s = ?

(1) s - c = 245000

(2) s = 1.25(225000)

Statement (1) is sufficient, because when you combine the 'fact' in the question with that statement, you have a system of two linear equations and you can solve.

Statement (2) is sufficient, because it tells you the answer to the question directly.
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If a salesman received a commission of 3% of the sales   [#permalink] 01 Mar 2017, 11:15
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If a salesman received a commission of 3% of the sales

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