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# What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3

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Manager
Joined: 29 Oct 2019
Posts: 112
What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3  [#permalink]

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Updated on: 18 Jan 2020, 01:43
1
00:00

Difficulty:

35% (medium)

Question Stats:

67% (00:59) correct 33% (01:07) wrong based on 36 sessions

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What is the value of x/2 - y/4?

(1) 2x = y + 6
(2) y/2 = x - 3

Source: GMAT Quantum Math Course

Originally posted by sjuniv32 on 17 Jan 2020, 07:32.
Last edited by Bunuel on 18 Jan 2020, 01:43, edited 1 time in total.
Renamed the topic and edited the question.
Intern
Joined: 09 Sep 2019
Posts: 38
Location: Switzerland
Concentration: Strategy, Economics
GPA: 3.1
Re: What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3  [#permalink]

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17 Jan 2020, 09:30
1
sjuniv32 wrote:
What is the value of x/2 - y/4?

1. 2X = Y+6
2. Y/2 = X-3

Source: GMAT Quantum Math Course

$$\frac{x}{2}-\frac{y}{4}$$

is equal to

$$2x - y$$

1. $$2x = y +6$$ can be rewritten as $$2x - y = 6$$
Thus statement 1 alone is sufficient.

2. $$\frac{y}{2}=x-3$$ can be rewritten as $$2x - y = 6$$
Thus statement 2 alone is sufficient.

IMO: D
Re: What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3   [#permalink] 17 Jan 2020, 09:30
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# What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3

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