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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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19 Jan 2008, 09:30
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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 Manager Joined: 01 Jan 2008 Posts: 223 Schools: Booth, Stern, Haas Followers: 2 Kudos [?]: 58 [0], given: 2 Re: equation [#permalink] ### Show Tags 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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Re: equation [#permalink]

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19 Jan 2008, 09:37
kazakhb wrote:
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 OA is wrong...i find oyur conclusion.. Director Joined: 01 Jan 2008 Posts: 624 Followers: 5 Kudos [?]: 184 [0], given: 1 Re: equation [#permalink] ### Show Tags 19 Jan 2008, 09:42 OA is definitely wrong. The answer should be B. Intern Joined: 04 Jun 2007 Posts: 4 Followers: 0 Kudos [?]: 0 [0], given: 0 Re: equation [#permalink] ### Show Tags 21 Jan 2008, 17:47 of course it is b. you can use a short cut. just take the second part of the equation. no need to add to 9.5. good luck Manager Joined: 06 Apr 2010 Posts: 145 Followers: 3 Kudos [?]: 742 [0], given: 15 Where is the trap? [#permalink] ### Show Tags 08 Sep 2010, 11:23 My answer is coming is B...but OA is diff. I am missing something...what is it? 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
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Re: Where is the trap? [#permalink]

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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: Where is the trap? [#permalink]

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08 Sep 2010, 11:53
the question looks simple hmm.. dont really see any weird wordings in there. maybe typo?
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Re: Where is the trap? [#permalink]

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08 Sep 2010, 11:54
udaymathapati wrote:
My answer is coming is B...but OA is diff. I am missing something...what is it?

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 Solution provided by sandeep800 above is correct - answer is B. OA must be wrong. _________________ Manager Joined: 11 May 2010 Posts: 218 Followers: 4 Kudos [?]: 128 [0], given: 11 Re: equation [#permalink] ### Show Tags 29 Sep 2010, 19:51 Thanks guy, I pick B as well, but the OA is C for some reason. Retired Moderator Joined: 02 Sep 2010 Posts: 803 Location: London Followers: 111 Kudos [?]: 1022 [0], given: 25 Re: equation [#permalink] ### Show Tags 29 Sep 2010, 20:38 It can't be C, answer is 1.0 $$\Delta p = \Delta s * 0.25 = 4*0.25$$ _________________ Manager Joined: 20 Apr 2010 Posts: 210 Schools: ISB, HEC, Said Followers: 4 Kudos [?]: 83 [0], given: 28 Re: Where is the trap? [#permalink] ### Show Tags 01 Oct 2010, 07:18 OA is incorrect,, What is the source of question.. Pls confinrm GMAT Club Legend Joined: 09 Sep 2013 Posts: 15503 Followers: 651 Kudos [?]: 210 [0], given: 0 Re: At a certain company, each employee has a salary grade s tha [#permalink] ### Show Tags 15 Nov 2016, 04:21 Hello from the GMAT Club BumpBot! Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos). Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________ Math Forum Moderator Status: QA & VA Forum Moderator Joined: 11 Jun 2011 Posts: 2696 Location: India GPA: 3.5 WE: Business Development (Commercial Banking) Followers: 111 Kudos [?]: 862 [0], given: 324 Re: At a certain company, each employee has a salary grade s tha [#permalink] ### Show Tags 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 _________________ Thanks and Regards Abhishek.... PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only ) Target Test Prep Representative Status: Founder & CEO Affiliations: Target Test Prep Joined: 14 Oct 2015 Posts: 1027 Location: United States (CA) Followers: 34 Kudos [?]: 542 [0], given: 2 Re: At a certain company, each employee has a salary grade s tha [#permalink] ### Show Tags 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 = $1.00 Answer: B _________________ Scott Woodbury-Stewart Founder and CEO GMAT Quant Self-Study Course 500+ lessons 3000+ practice problems 800+ HD solutions Senior Manager Joined: 25 Mar 2013 Posts: 276 Location: United States Concentration: Entrepreneurship, Marketing GPA: 3.5 Followers: 3 Kudos [?]: 29 [0], given: 101 Re: At a certain company, each employee has a salary grade s tha [#permalink] ### Show Tags 12 Feb 2017, 16:33 How many more dollars = ? for grade 5 than grade 1 ? Just substitute in equation S = Grade 1 to Grade 5 P = 9.50$ + 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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# At a certain company, each employee has a salary grade s tha

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