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# At a certain company, each employee has a salary grade s

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Senior Manager
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At a certain company, each employee has a salary grade s [#permalink]  11 Sep 2007, 13:24
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At a certain company, each employee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 9.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a salary grade of 1?

A. \$0.50

B. \$1.00

C. \$1.25

D. \$1.50

E. \$1.75

This seems like a very very simple problem. But my answer does not match the OA. Please give some explanations.
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Re: PS: Set 4, Math 24 [#permalink]  11 Sep 2007, 13:46
gluon wrote:
At a certain company, each employee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 9.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a salary grade of 1?

A. \$0.50

B. \$1.00

C. \$1.25

D. \$1.50

E. \$1.75

This seems like a very very simple problem. But my answer does not match the OA. Please give some explanations.

Looks simple to me also .

P5 - P1 = 0.25 * 4 - 0.25 * 0 = \$1 ( 9.5 just cancels out in doing the diff).
Am I missing something?
Senior Manager
Joined: 28 Jun 2007
Posts: 322
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Thanks guys. The OA C is indeed wrong then.

I was just checking to see I hadnt gone insane. I agree the answer is B.
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