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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] New post 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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Re: Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc [#permalink] New post 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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Abe's quiz scores are 62, 68, 74, and 68. Ben's quiz sc

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