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If 3/(2 + 3/x) = 1, then x =
[#permalink]
06 Dec 2015, 12:11
06 Dec 2015, 12:11
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Question Stats:
93% (00:39) correct
7%
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Re: If 3/(2 + 3/x) = 1, then x =
[#permalink]
06 Dec 2015, 12:28
06 Dec 2015, 12:28
Bunuel wrote:
If 3/(2 + 3/x), then x =
A. 3
B. 1
C. 1/3
D. -1/3
E. -3
A. 3
B. 1
C. 1/3
D. -1/3
E. -3
Hi Bunuel ,
It seems that the question is incomplete .
The expression 3/(2 + 3/x) should have been equal to something .
If 3/(2 + 3/x) = 1
=> 3/[(2x+3)/x] = 1
=> 3x/(2x+3) = 1
=>3x = 2x + 3
=>x = 3
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Re: If 3/(2 + 3/x) = 1, then x =
[#permalink]
06 Dec 2015, 12:37
06 Dec 2015, 12:37
Skywalker18 wrote:
Bunuel wrote:
If 3/(2 + 3/x), then x =
A. 3
B. 1
C. 1/3
D. -1/3
E. -3
A. 3
B. 1
C. 1/3
D. -1/3
E. -3
Hi Bunuel ,
It seems that the question is incomplete .
The expression 3/(2 + 3/x) should have been equal to something .
If 3/(2 + 3/x) = 1
=> 3/[(2x+3)/x] = 1
=> 3x/(2x+3) = 1
=>3x = 2x + 3
=>x = 3
I am also of the same opinion
Quote:
3/(2 + 3/x)
From the highlighted integer 3/x must be completely divisible and no number except 3 can result in the same.
So, IMHO X - 3
