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A broker charged an average commission of 12 percent on two

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Senior Manager
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A broker charged an average commission of 12 percent on two [#permalink]

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New post 06 Nov 2005, 13:19
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A broker charged an average commission of 12 percent on two transactions: one for $600 and the other for $900. If his commission for the $900 transaction was 10 percent, what percent was his commission for the $600 transaction?

A) 1%

B) 12%

C) 13%

D) 14%

E) 15%

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VP
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Joined: 30 Sep 2004
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Location: Germany
 [#permalink]

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New post 06 Nov 2005, 13:21
0,1*900+x*600=0,12*(600+900)...solve for x...
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If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

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New post 06 Nov 2005, 13:35
total amount is 600 + 900 =1500.
12% of 1500 = 180

10% 0f 900 is 90. so commission on 600 was 90

so 90/600 is 15%

so answer should be 15%.
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hey ya......

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Joined: 23 Oct 2005
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Schools: Cranfield SOM
Re: PS: Broker commission [#permalink]

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New post 07 Nov 2005, 07:58
sudhagar wrote:
A broker charged an average commission of 12 percent on two transactions: one for $600 and the other for $900. If his commission for the $900 transaction was 10 percent, what percent was his commission for the $600 transaction?

A) 1%

B) 12%

C) 13%

D) 14%

E) 15%


E = 15%.

Method of solving is same as Nakib's.

Kudos [?]: 14 [0], given: 2

Senior Manager
Senior Manager
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Joined: 02 Oct 2005
Posts: 297

Kudos [?]: 24 [0], given: 0

 [#permalink]

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New post 07 Nov 2005, 20:47
OA is E and the explanation is same as Nakib.

Kudos [?]: 24 [0], given: 0

  [#permalink] 07 Nov 2005, 20:47
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A broker charged an average commission of 12 percent on two

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