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a + 2b = 3, and a − b = 12
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07 Oct 2020, 13:08
07 Oct 2020, 13:08
Expert Reply
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Question Stats:
93% (00:47) correct
6% (01:01) wrong based on 75 sessions
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a + 2b = 3, and a − b = 12
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 |
a |
b |
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.
Re: a + 2b = 3, and a − b = 12
[#permalink]
07 Oct 2020, 20:04
07 Oct 2020, 20:04
1
a + 2b = 3
a − b = 12
a+2b-(a-b) =3-12
3b=-9
b=-3 (quant B)
a=9 (quant A)
quant A > quant B'
option A is correct
a − b = 12
a+2b-(a-b) =3-12
3b=-9
b=-3 (quant B)
a=9 (quant A)
quant A > quant B'
option A is correct
gmatclubot
Re: a + 2b = 3, and a − b = 12 [#permalink]
07 Oct 2020, 20:04
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