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x/y=3/4
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16 Feb 2024, 02:04
16 Feb 2024, 02:04
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Question Stats:
60% (01:31) correct
40% (02:03) wrong based on 5 sessions
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\(\frac{x}{y}=\frac{3}{4}\)
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
\(\frac{2x-y}{y }\) |
\(\frac{ x}{x+y}\) |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
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Re: x/y=3/4
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16 Feb 2024, 18:50
16 Feb 2024, 18:50
1
Apply cross-product multiplication to \(\frac{x}{y} = \frac{3}{4}\) to get
\(4x = 3y\)
\(y = \frac{4}{3}x\)
Substitute for y in both quantities.
Quantity A
\(\frac{2x-y}{y} = \frac{2x-\frac{4}{3}x}{\frac{4}{3}x} = \frac{\frac{2}{3}x}{\frac{4}{3}x} = \frac{2}{3} * \frac{3}{4} = \frac{1}{2}\)
Quantity B
\(\frac{x}{x+y} = \frac{x}{\frac{7}{3}x} = \frac{3}{7}\)
Since \(\frac{1}{2} > \frac{3}{7}\), Quantity A is greater.
\(4x = 3y\)
\(y = \frac{4}{3}x\)
Substitute for y in both quantities.
Quantity A
\(\frac{2x-y}{y} = \frac{2x-\frac{4}{3}x}{\frac{4}{3}x} = \frac{\frac{2}{3}x}{\frac{4}{3}x} = \frac{2}{3} * \frac{3}{4} = \frac{1}{2}\)
Quantity B
\(\frac{x}{x+y} = \frac{x}{\frac{7}{3}x} = \frac{3}{7}\)
Since \(\frac{1}{2} > \frac{3}{7}\), Quantity A is greater.
gmatclubot
Re: x/y=3/4 [#permalink]
16 Feb 2024, 18:50
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