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The number 2 - 0.5 is how many times the number 1 - 0.5?

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The number 2 - 0.5 is how many times the number 1 - 0.5? [#permalink]

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New post 26 Dec 2013, 07:47
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The Official Guide For GMAT® Quantitative Review, 2ND Edition

The number 2 - 0.5 is how many times the number 1 - 0.5?

(A) 2
(B) 2.5
(C) 3
(D) 3.5
(E) 4

Problem Solving
Question: 6
Category: Arithmetic Operations on rational numbers
Page: 62
Difficulty: 500


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Re: The number 2 - 0.5 is how many times the number 1 - 0.5? [#permalink]

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New post 26 Dec 2013, 07:52
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5? [#permalink]

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New post 26 Dec 2013, 20:26
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Solution:

Let the multiplier be x.
2-0.5 = x(1-0.5)
1.5 = 0.5x
=> x = 3

Ans is (C)

This seems like a sub-500 question.
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5? [#permalink]

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New post 27 Dec 2013, 07:01
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2 - 0.5 = 1.5 and 1-0.5 = 0.5 which is 1/3 of 1.5 so answer C.

Why does it seem like very few actually respond to the OG Quant review questions, in relation to the usual OG's?
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5? [#permalink]

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New post 17 Jan 2018, 23:20
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).

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Re: The number 2 - 0.5 is how many times the number 1 - 0.5?   [#permalink] 17 Jan 2018, 23:20
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