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Bunuel
As a sales person, Antoinette receives a commission of $60 plus x percent of the selling price for each item she sells. During one particular week Antoinette sold 12 items for a total of $3485. If Antoinette's total commissions for that week was $1417, what is x?

A. 45
B. 30
C. 25
D. 20
E. 10

Given: As a sales person, Antoinette receives a commission of $60 plus x percent of the selling price for each item she sells. During one particular week Antoinette sold 12 items for a total of $3485. Antoinette's total commissions for that week was $1417.

Asked: What is x?

Fixed commission = $60*12 = $720
Variable commission = $1417 - $720 = $697 = x percent of selling price = x/100 * $3485
x = 20%

IMO D
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Bunuel
As a sales person, Antoinette receives a commission of $60 plus x percent of the selling price for each item she sells. During one particular week Antoinette sold 12 items for a total of $3485. If Antoinette's total commissions for that week was $1417, what is x?

A. 45
B. 30
C. 25
D. 20
E. 10

\(12•60+x/100•3485=1417…720+3485x/100=1417…\)
\(3485x/100=1417-720…3485x=69700…x=69700/3485…x=20\)

Answer (D)
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For 12 items, her commission --> 12*60+x% of 3485=1417
-->x% of 3485= 697
Now, 10% of 3485=348.5
so, 20% 3485=697
Ans-D
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697/3485 = 20%
Ans D
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