Martin has worked for the last 30 years. If his average (ari : GMAT Data Sufficiency (DS)
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Martin has worked for the last 30 years. If his average (ari

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Martin has worked for the last 30 years. If his average (ari [#permalink]

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30 Apr 2006, 21:20
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Martin has worked for the last 30 years. If his average (arithmetic mean) total annual earnings for the first 5 years is $15,000, what is his average total annual earnings for the last 5 years? (1) Martin's average total annual earnings for the first 25 years is$27,000.

(2) Martin's average total annual earnings for the last 25 years is $34,000. [Reveal] Spoiler: OA Intern Joined: 29 Apr 2006 Posts: 9 Location: Chennai, India Followers: 0 Kudos [?]: 2 [1] , given: 0 [#permalink] Show Tags 30 Apr 2006, 22:17 1 This post received KUDOS Answer is C From statement 2, we can find the total earnings for the last 25 years. From the information given in the question statement we can find the total earnings for the first 5 years. Therefore, adding these two info we will get the total earnings for the entire 30 years. From statement 1, we can find the total earnings for the first 25 years. If the total earnings for the first 25 years is subtracted from the total earnings for the entire 30 years, we will have the total earnings for the last 5 years and the average total annual earnings during the last 5 years. _________________ K S Baskar Faculty - 4gmat.com GMAT Club Legend Joined: 09 Sep 2013 Posts: 12867 Followers: 559 Kudos [?]: 157 [0], given: 0 Re: Martin has worked for the last 30 years. If his average (ari [#permalink] Show Tags 30 Sep 2014, 01:57 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. _________________ GMAT Club Legend Joined: 09 Sep 2013 Posts: 12867 Followers: 559 Kudos [?]: 157 [0], given: 0 Re: Martin has worked for the last 30 years. If his average (ari [#permalink] Show Tags 19 Dec 2015, 12:13 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. _________________ Re: Martin has worked for the last 30 years. If his average (ari [#permalink] 19 Dec 2015, 12:13 Similar topics Replies Last post Similar Topics: 2 What is the maximum possible median of series Q? (1) The average (ari 1 27 May 2015, 10:58 16 Last year if Arturo spent a total of$12,000 on his mortgage 5 07 Dec 2012, 06:54
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