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

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At a certain company, each employee has a salary grade s tha [#permalink]

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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
[Reveal] Spoiler: OA

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Re: equation [#permalink]

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New post 19 Jan 2008, 09:34
marcodonzelli wrote:
I know it's incredible but my answer is wrong:

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


I:
s=5
p=9.50+0.25(5-1)=10.50
II:
s=1
p=9.50+0.25(1-1)=9.50
10.50-9.50=1

B

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New post 08 Sep 2010, 11:50
salary of grade 5 ==> p=9.50 + 0.25(5 – 1) 9.50+.25*4=10.50
salary of grade 1 ==> p=9.50 + 0.25(1 – 1) 9.50
so answer is B only

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Re: equation [#permalink]

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New post 29 Sep 2010, 20:38
It can't be C, answer is 1.0

\(\Delta p = \Delta s * 0.25 = 4*0.25\)
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At a certain company, each employee has a salary grade s [#permalink]

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New post 28 Jan 2012, 04:08
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

Last edited by Bunuel on 28 Jan 2012, 04:32, edited 1 time in total.
Added the OA

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

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New post 28 Jan 2012, 04:32
RadhaKrishnan 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


Salary grade of 5 is \(p(5)=9.50+0.25(5–1)=9.50+0.25*4\);

Salary grade of 1 is \(p(1)=9.50 + 0.25(1–1)=9.50\);

\(p(5)-p(1)=9.50+0.25*4-9.50=1\).

Answer: B.
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Re: At a certain company, [#permalink]

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New post 11 Feb 2013, 09:33
4112019 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


p = 9.50 + 0.25(s – 1).
Hourly wage (p) if S=1 --> 9.50 + 0.25(1 – 1) = 9.5
Hourly wage (p) if S=5 --> 9.50 + 0.25(5 – 1) = 9.5 + 0.25 x 4 = 9.5 + 1.00

So the answer has to be B. Kindly confirm the OA because OA can not be C.

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Re: At a certain company, each employee has a salary grade s tha [#permalink]

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Re: At a certain company, each employee has a salary grade s tha [#permalink]

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New post 15 Nov 2016, 09:46
marcodonzelli 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


\(p_5 = 9.50 + 0.25(5 – 1) => 10.50
p_1 = 9.50 + 0.25(1 – 1) => 9.50\)

So, \(p_5 - p_1 = 1\)

Hence, aswer will definitely be (B) $ 1.00

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Re: At a certain company, each employee has a salary grade s tha [#permalink]

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New post 17 Nov 2016, 14:46
marcodonzelli 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


We are given that each employee receives an hourly wage p, in dollars, determined by the formula p = 9.50 + 0.25(s – 1), in which s = the salary grade. We need to determine how many more dollars per hour an employee with a salary grade of 5 receives than does an employee with a salary grade of 1. Thus:

9.50 + 0.25(5 – 1) - [9.50 + 0.25(1 – 1)]

9.50 + 0.25(4) - [9.50 + 0.25(0)]

9.50 + 0.25(4) - 9.50

0.25 x 4 = $1.00

Answer: B
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Re: At a certain company, each employee has a salary grade s tha [#permalink]

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New post 12 Feb 2017, 16:33
How many more dollars = ? for grade 5 than grade 1 ?
Just substitute in equation
S = Grade 1 to Grade 5
P = 9.50$ + 0.25$(S-1)
P = 9.50$ + 0.25(5-1) = 10.50$
P = 9.50$ + 0.25(1-1) = 9.50$
Difference 1$
B
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Re: At a certain company, each employee has a salary grade s tha   [#permalink] 12 Feb 2017, 16:33
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