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Last year Manfred received 26 paychecks. Each of his first 6
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24 Aug 2020, 09:55
24 Aug 2020, 09:55
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Question Stats:
83% (01:23) correct
16% (01:59) wrong based on 30 sessions
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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
(A) $752
(B) $755
(C) $765
(D) $773
(E) $775
Re: Last year Manfred received 26 paychecks. Each of his first 6
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24 Aug 2020, 09:56
24 Aug 2020, 09:56
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Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
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Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
For more theory and practice see our GRE - Math Book
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Re: Last year Manfred received 26 paychecks. Each of his first 6
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24 Aug 2020, 16:42
24 Aug 2020, 16:42
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Carcass wrote:
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
(A) $752
(B) $755
(C) $765
(D) $773
(E) $775
\(\frac{{750 + \cdots + 750 + 780 + \cdots + 780}}{26}\)
\(=\frac{{750 \cdot 6 + 780 \cdot 20}}{26}\)
\(=\frac{{4500 + 15600}}{26}\)
\(=\frac{20100}{26}\)
\(=773.0769\)
Therefore, D is the right answer.
