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If 12x + 2y is 80% of 5y, what is the value of
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13 May 2018, 06:56
13 May 2018, 06:56
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Question Stats:
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If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
Updated on: 13 May 2018, 22:46
Updated on: 13 May 2018, 22:46
1
Kudos
12x + 2y = 80/100 * 5y
so, 12x = 2y
that gives x/y =1/6
Ans: A
so, 12x = 2y
that gives x/y =1/6
Ans: A
If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
13 May 2018, 08:08
13 May 2018, 08:08
1
Kudos
GMATPrepNow wrote:
If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
\(12x + 2y = 0.8*5y\) -> \(12x + 2y = 4y\) -> \(12x = 2y\) Therefore, \(\frac{x}{y} = \frac{2}{12} = \frac{1}{6}\)(Option A)
Alternate approach: Assume x = 1
\(12 + 2y = \frac{4}{5}*5y\) -> \(2y = 12\) -> \(y = 6\) Therefore, \(\frac{x}{y} = \frac{1}{6}\)(Option A)
Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
13 May 2018, 08:11
13 May 2018, 08:11
Expert Reply
Top Contributor
RB15 wrote:
12x + 2y = 80y/100
so, 12x = 2y
that gives x/y =1/6
Ans: A
so, 12x = 2y
that gives x/y =1/6
Ans: A
How did you get 12x + 2y = 80y/100?
Cheers,
Brent
Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
13 May 2018, 19:22
13 May 2018, 19:22
Since, 12x + 2y is 80% of 5y
Hence, 12x + 2y = 4y
x/y = 1/6
Hence, 12x + 2y = 4y
x/y = 1/6
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If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
13 May 2018, 19:37
13 May 2018, 19:37
Expert Reply
RB15 wrote:
12x + 2y = 80y/100
This should be \(12x + 2y = \frac{80}{100} * 5y\)
You've got the correct answer, I think its just a typo
_________________
Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
13 May 2018, 22:47
13 May 2018, 22:47
GMATPrepNow wrote:
RB15 wrote:
12x + 2y = 80y/100
so, 12x = 2y
that gives x/y =1/6
Ans: A
so, 12x = 2y
that gives x/y =1/6
Ans: A
How did you get 12x + 2y = 80y/100?
Cheers,
Brent
It was a typo. Edited now. Thanks for pointing it out.
Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
14 May 2018, 08:37
14 May 2018, 08:37
Expert Reply
Top Contributor
GMATPrepNow wrote:
If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
pushpitkc's approach is exactly the same as the approach I'd use.
However, here's another approach (for kicks!)
Let's try to find some values for x and y that satisfy the given information: 12x + 2y is 80% of 5y
Let's first let y = 20, and then figure out what value of x is needed.
We get: 12x + 2(20) is 80% of 5(20)
Simplify: 12x + 40 is 80% of 100
Evaluate: 12x + 40 = 80
So: 12x = 40
Solve: x = 40/12 = 10/3
So, x = 10/3 and y = 20 satisfies the given information.
What is the value of x/y ?
x/y = (10/3)/20
= (10/3)(1/20)
= 10/60
= 1/6
Answer: A
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Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
14 May 2018, 08:42
14 May 2018, 08:42
1
Kudos
GMATPrepNow wrote:
If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
12x + 2y = 80% of 5y
So, 12x + 2y = 4y
Or, 12x = 2y
Or, y = 6x
So, x/y = 1/6, Answer must be (A)
_________________
Thanks and Regards
Abhishek....
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Abhishek....
PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS
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Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
28 Aug 2018, 00:07
28 Aug 2018, 00:07
1
Kudos
GMATPrepNow wrote:
If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
This is how i solved
If 12x + 2y is 80% of 5y, what is the value of x/y ?
12x+2y = (80*5y/100)
12x+2y = 400y/100
Cross multiply to get 1200x +200y = 400 y
1200 x = 200y
x/y= 200/1200 = 1/6 = A
Re: If 12x + 2y is 80% of 5y, what is the value of
[#permalink]
15 Mar 2022, 04:09
15 Mar 2022, 04:09
BrentGMATPrepNow wrote:
If 12x + 2y is 80% of 5y, what is the value of x/y ?
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
A) 1/6
B) 1/4
C) 2/5
D) 1/2
E) 5/8
*kudos for all correct solutions
80% of 5y = 4y
-- 12x+2y=4y
-- 12x=2y
-- 6x=y
-- x/y = 1/6
Option A is the answer
gmatclubot
Re: If 12x + 2y is 80% of 5y, what is the value of [#permalink]
15 Mar 2022, 04:09
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