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7x + 3y = 12 3x + 7y = 8
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04 Apr 2019, 04:06
04 Apr 2019, 04:06
Expert Reply
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74% (00:51) correct
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\(7x + 3y = 12\)
\(3x + 7y = 8\)
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.
\(3x + 7y = 8\)
Quantity A |
Quantity B |
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.
Retired Moderator
Joined: 10 Apr 2015
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Re: 7x + 3y = 12 3x + 7y = 8
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04 Apr 2019, 06:19
04 Apr 2019, 06:19
1
Carcass wrote:
\(7x + 3y = 12\)
\(3x + 7y = 8\)
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.
\(3x + 7y = 8\)
Quantity A |
Quantity B |
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.
GIVEN:
7x + 3y = 12
3x + 7y = 8
Subtract the bottom equation from the top equation to get: 4x - 4y = 4
Divide both sides by 4 to get: x - y = 1
We get:
QUANTITY A: 1
QUANTITY B: 1
Answer: C
Cheers,
Brent
gmatclubot
Re: 7x + 3y = 12 3x + 7y = 8 [#permalink]
04 Apr 2019, 06:19
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