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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## Last week Chris earned x dollars per hour for the first 40 tagged by: BTGmoderatorLU ##### This topic has 2 expert replies and 0 member replies ### Top Member ## Last week Chris earned x dollars per hour for the first 40 ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult Source: Official Guide Last week Chris earned x dollars per hour for the first 40 hours worked plus 22 dollars per hour for each hour worked beyond 40 hours. If last week Chris earned a total of 816 dollars by working 48 hours, what is the value of x? A. 13 B. 14 C. 15 D. 16 E. 17 The OA is D. ### GMAT/MBA Expert GMAT Instructor Joined 08 Dec 2008 Posted: 12649 messages Followed by: 1245 members Upvotes: 5254 GMAT Score: 770 BTGmoderatorLU wrote: Source: Official Guide Last week Chris earned x dollars per hour for the first 40 hours worked plus 22 dollars per hour for each hour worked beyond 40 hours. If last week Chris earned a total of 816 dollars by working 48 hours, what is the value of x? A. 13 B. 14 C. 15 D. 16 E. 17 The OA is D. If Chris worked 48 hours, then he was paid 40x dollars for first 40 hours and (8)(22) dollars for the next 8 hours Since Chris earned$816, we can write: 40x + (8)(22) = 816
Simplify: 40x + 176 = 816
Subtract 176 from both sides: 40x = 640
Solve: x = 640/40 = 16

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BTGmoderatorLU wrote:
Source: Official Guide

Last week Chris earned x dollars per hour for the first 40 hours worked plus 22 dollars per hour for each hour worked beyond 40 hours. If last week Chris earned a total of 816 dollars by working 48 hours, what is the value of x?

A. 13
B. 14
C. 15
D. 16
E. 17
We can create the equation:

40x + 22(48 - 40) = 816

40x + 22(8) = 816

40x + 176 = 816

40x = 640

x = 16

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