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

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Manager
Joined: 27 Jul 2003
Posts: 122
Location: Singapore
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A broker charged an average commission of 12 percent on two [#permalink]

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15 Oct 2003, 01:26
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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%
CEO
Joined: 15 Aug 2003
Posts: 3460
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15 Oct 2003, 01:39
araspai 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

(x * 600 + 0.1 * 900) / 1500 = 0.12

600x = 180 - 90

600 x = 90

x = 9/60 =15%
Re: PS: commission   [#permalink] 15 Oct 2003, 01:39
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