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If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =

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If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 24 Aug 2018, 00:02
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Question Stats:

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Re: If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 24 Aug 2018, 00:06
Bunuel wrote:
If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =

A. 1/16
B. 3/20
C. 3/16
D. 1/4
E. 3/8


175% of 8x = \(\frac{175*8x}{100}=14x=2x+3y.......12x=3y.......4x=y\)
So \(\frac{x}{y}=\frac{1}{4}\)

D
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Re: If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 24 Aug 2018, 00:08
Bunuel wrote:
If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =

A. 1/16
B. 3/20
C. 3/16
D. 1/4
E. 3/8


2x+3y=1.75*8x
Or, 2x+3y=14x
Or, 12x=3y
Or, x/y=3/12=1/4

Ans. (D)
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If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 24 Aug 2018, 00:47
Bunuel wrote:
If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =

A. 1/16
B. 3/20
C. 3/16
D. 1/4
E. 3/8



Given,

2x + 3y = 175% of 8x

2x + 3y = 1.75 * 8x

2x + 3y = 14x

3y = 12x

\(\frac{x}{y}\) = \(\frac{3}{12}\)
\(\frac{x}{y}\)=\(\frac{1}{4}\)

The best answer is D.
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Re: If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 24 Aug 2018, 07:34
Bunuel wrote:
If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =

A. 1/16
B. 3/20
C. 3/16
D. 1/4
E. 3/8


\(\frac{175}{100} = \frac{35}{20} = \frac{7}{4}\)

Now, \((2x + 3y) = \frac{7}{4}*8x\)

Or, \(2x + 3y = 14x\)

Or, \(12x =3y\)

Or, \(\frac{x}{y} = \frac{1}{4}\), Answer must be (D)
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Re: If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y =  [#permalink]

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New post 25 Aug 2018, 01:12

Solution



Given:
    • 2x + 3y is equal to 175% of 8x, where xy ≠ 0

To find:
    • The value of \(\frac{x}{y}\)

Approach and Working:

175% of 8x = (200% - 25%) of 8x = (2 – ¼) of 8x = 16x – 2x = 14x

Therefore, we can rewrite the given condition as,
    • 2x + 3y = 14x
    Or. 12x = 3y
    Or, \(\frac{x}{y} = \frac{3}{12} = \frac{1}{4}\)

Hence, the correct answer is option D.

Answer: D

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Re: If xy ≠ 0 and 2x + 3y is equal to 175 percent of 8x, then x/y = &nbs [#permalink] 25 Aug 2018, 01:12
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