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Last year Manfred received 26 paychecks. Each of his first 6

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Re: Last year Manfred received 26 paychecks. Each of his first 6 [#permalink]

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New post 21 Jan 2018, 19:55
Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

Last year Manfred received 26 paychecks. Each of his first 6 paychecks was $750; each of his remaining paychecks was $30 more than each of his first 6 paychecks. To the nearest dollar, what was the average (arithmetic mean) amount of his paychecks for the year?

(A) $752
(B) $755
(C) $765
(D) $773
(E) $775


Manfred received 6 paychecks of $750 each and 20 paychecks of $780 each.

The first 6 paychecks summed to 6(750) = 4,500.

The next 20 paychecks summed to 20(780) = 15,600.

So, the average of all the checks is:

(4,500 + 15,600)/26 = 20,100/26 ≈ 773

Answer: D
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Re: Last year Manfred received 26 paychecks. Each of his first 6 [#permalink]

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New post 09 Feb 2018, 09:12
(30*20)/26=23

23+750=773
Re: Last year Manfred received 26 paychecks. Each of his first 6   [#permalink] 09 Feb 2018, 09:12

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Last year Manfred received 26 paychecks. Each of his first 6

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