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# A broker charged an average commission of 12 percent on two

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Senior Manager
Joined: 02 Oct 2005
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A broker charged an average commission of 12 percent on two [#permalink]

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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
Joined: 30 Sep 2004
Posts: 1480

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Location: Germany

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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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SVP
Joined: 28 May 2005
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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%

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hey ya......

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Current Student
Joined: 23 Oct 2005
Posts: 243

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Schools: Cranfield SOM

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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
Joined: 02 Oct 2005
Posts: 297

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

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

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

07 Nov 2005, 20:47
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