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# In the equation above, k, r, s, t, and v represent positive numbers.

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Math Expert
Joined: 02 Sep 2009
Posts: 53020
In the equation above, k, r, s, t, and v represent positive numbers.  [#permalink]

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07 Feb 2019, 00:14
00:00

Difficulty:

25% (medium)

Question Stats:

85% (00:55) correct 15% (01:51) wrong based on 13 sessions

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$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

In the equation above, k, r, s, t, and v represent positive numbers. Multiplying which one of these numbers by 2 will reduce the value of n to 1/2 of its present value ?

A. k
B. r
C. s
D. t
E. v

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Concentration: Sustainability, Marketing
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Re: In the equation above, k, r, s, t, and v represent positive numbers.  [#permalink]

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07 Feb 2019, 00:23
Bunuel wrote:
$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

In the equation above, k, r, s, t, and v represent positive numbers. Multiplying which one of these numbers by 2 will reduce the value of n to 1/2 of its present value ?

A. k
B. r
C. s
D. t
E. v

$$n = \frac{k + \frac{r}{s}}{\frac{t}{v}}$$

n=vks+rv/st
multiplying t by 2 would make n to 1/2 its PV
IMO D
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Re: In the equation above, k, r, s, t, and v represent positive numbers.   [#permalink] 07 Feb 2019, 00:23
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# In the equation above, k, r, s, t, and v represent positive numbers.

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