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-x+4y=20
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10 May 2021, 07:22
10 May 2021, 07:22
Expert Reply
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Question Stats:
94% (00:37) correct
5% (00:50) wrong based on 19 sessions
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-x+4y=20
x-y=1
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
x-y=1
Quantity A |
Quantity B |
x |
y |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: -x+4y=20
[#permalink]
10 May 2021, 08:01
10 May 2021, 08:01
1
Solution:
We can substitute x=y+1 in the first equation to find y=7
Thus, x=8
Qty A>Qty B
IMO A
Hope this helps!
We can substitute x=y+1 in the first equation to find y=7
Thus, x=8
Qty A>Qty B
IMO A
Hope this helps!
gmatclubot
Re: -x+4y=20 [#permalink]
10 May 2021, 08:01
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