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Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc

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Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc [#permalink]  20 Oct 2017, 10:11
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Question Stats:

100% (00:50) correct 0% (00:00) wrong based on 3 sessions

Abe's quiz scores are 62, 68, 74, and 68.
Ben's quiz scores are 66 and 70.

 Quantity A Quantity B The score Abe needs on his fifth quiz to raise his average to 70 The score Ben needs on his third quiz to raise his average to 70

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Kudos [?]: 330 [0], given: 66

Re: Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc [#permalink]  21 Oct 2017, 06:49
The grade Abe needs to get in order to reach an average of 70 is computed as $$\frac{62+68+74+68+x}{5} = 70$$, x = 88.

For Ben, the computations are $$\frac{66+70+x}{3} = 70$$, x = 74.

Quantity A is greater
Re: Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc   [#permalink] 21 Oct 2017, 06:49
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