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If 2/(1+2/y)=1, then y =

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If 2/(1+2/y)=1, then y = [#permalink]

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New post 29 Dec 2012, 05:27
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If \(\frac{2}{1+\frac{2}{y}}=1\), then y =

(A) -2
(B) -1/2
(C) 1/2
(D) 2
(E) 3
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Re: If 2/(1+2/y)=1, then y = [#permalink]

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If 2/(1+2/y)=1, then y = [#permalink]

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New post 01 Jul 2013, 21:41
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Simplified in this way:

\(2 = 1 + \frac{2}{y}\)

\(\frac{2}{y} = 1\);

So y = 2

Answer = D
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Last edited by PareshGmat on 20 Aug 2014, 01:07, edited 1 time in total.
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New post 05 Mar 2016, 09:49
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Walkabout wrote:
If \(\frac{2}{1+\frac{2}{y}}=1\), then y =
(A) -2
(B) -1/2
(C) 1/2
(D) 2
(E) 3


For \(\frac{2}{1+\frac{2}{y}}\) to equal 1, \(1+\frac{2}{y}\) should equal 2.
Therefore, \(1+\frac{2}{y} = 2\) --> \(\frac{2}{y} = 1\) --> \(y = 2\) ---> \(\frac{2}{1+\frac{2}{2}}=1\)

Answer choice D
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Re: If 2/(1+2/y)=1, then y = [#permalink]

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New post 06 Mar 2016, 15:47
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can someone tell me what level question was that?
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Re: If 2/(1+2/y)=1, then y = [#permalink]

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New post 07 Mar 2016, 03:59
SQUINGEL wrote:
can someone tell me what level question was that?


The difficulty level of the question is sub-600 as shown by the tag right above the question timer.

FYI, asking for a question level is not going to help you. Try to understand what is required to be done in a particular question.
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Re: If 2/(1+2/y)=1, then y = [#permalink]

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New post 07 Mar 2016, 06:19
Walkabout wrote:
If \(\frac{2}{1+\frac{2}{y}}=1\), then y =

(A) -2
(B) -1/2
(C) 1/2
(D) 2
(E) 3



\(\frac{2}{1+\frac{2}{y}}=1\)
2 = 1 + 2/y
1 = 2/y
y = 2

Answer - D
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Re: If 2/(1+2/y)=1, then y = [#permalink]

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New post 15 Jul 2016, 03:47
Walkabout wrote:
If \(\frac{2}{1+\frac{2}{y}}=1\), then y =

(A) -2
(B) -1/2
(C) 1/2
(D) 2
(E) 3


We need to simplify the equation 2/(1 + 2/y) = 1. We can start by multiplying both sides of the equation by 1 + 2/y and we have:

2 = 1 + 2/y

1 = 2/y

y = 2

The answer is D.
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If 2/(1+2/y)=1, then y = [#permalink]

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New post 15 Jul 2016, 15:09
\(\begin{align}
&\frac{2}{1+\frac{2}{y}} = 1 \\
&2 = 1+\frac{2}{y} & {\text{multiplied both sides by } 1+\frac{2}{y}}\\
&1 = \frac{2}{y} & \text{subtracted 1}\\
&y = 2 & \text{multiplied by } y\\
&\text{Answer: (D) 2}
\end{align}\)
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If 2/(1+2/y)=1, then y =   [#permalink] 15 Jul 2016, 15:09
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