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

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Manager
Joined: 25 May 2007
Posts: 231
Schools: Cornell
Followers: 1

Kudos [?]: 29 [0], given: 0

At a certain company, each employee has a salary grade s [#permalink]  02 Sep 2007, 00:14
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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
Manager
Joined: 25 May 2007
Posts: 231
Schools: Cornell
Followers: 1

Kudos [?]: 29 [0], given: 0

[#permalink]  02 Sep 2007, 00:43
You got it right. But how??

Grade 1 salary = 9.5 + 0.25(1-1) = 9.5
Grade 5 salary = 9.5 + 0.25 (5-1) = 9.5 + 1

The difference is 1 only. Why 1.25?
Senior Manager
Joined: 19 Feb 2007
Posts: 327
Followers: 1

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

[#permalink]  02 Sep 2007, 00:54
solidcolor wrote:
You got it right. But how??

Grade 1 salary = 9.5 + 0.25(1-1) = 9.5
Grade 5 salary = 9.5 + 0.25 (5-1) = 9.5 + 1

The difference is 1 only. Why 1.25?

Ya,it should be 1. Actually I did this question yesterday and calculated 1.........but after looking at the OA, I thought I did some silly calculation mistake so gave the ans as (C).

So I guess the OA is wrong unless sm1 justifies the ans.
Manager
Joined: 25 May 2007
Posts: 231
Schools: Cornell
Followers: 1

Kudos [?]: 29 [0], given: 0

[#permalink]  02 Sep 2007, 01:08
This is interesting.

I believe nothing could be wrong with my answer, but the OA was something weird...
[#permalink] 02 Sep 2007, 01:08
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# At a certain company, each employee has a salary grade s

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