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(-2+3)(2-(-3))
[#permalink]
07 Jan 2023, 02:26
07 Jan 2023, 02:26
Expert Reply
00:00
Question Stats:
90% (00:27) correct
9% (00:27) wrong based on 22 sessions
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Quantity A |
Quantity B |
\( [-2+3][2-(-3)] \) |
\([-3+2][3-(-2)]\) |
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: (-2+3)(2-(-3))
[#permalink]
31 Jan 2023, 12:16
31 Jan 2023, 12:16
Expert Reply
OE
You may be tempted to use the calculator for this problem, but the solution is much easier and much quicker without it. When a negative number is subtracted from another quantity, the two negatives make a positive, so that the net result is addition. Therefore, 2 − (−3) = 2 + 3 = 5 and 3 −(−2) = 3 + 2 = 5. You can thus divide both quantities by 5 to arrive at the simplified comparison below:
−2 + 3 = 1 −3 + 2 = −1
Therefore, Quantity A is greater.
You may be tempted to use the calculator for this problem, but the solution is much easier and much quicker without it. When a negative number is subtracted from another quantity, the two negatives make a positive, so that the net result is addition. Therefore, 2 − (−3) = 2 + 3 = 5 and 3 −(−2) = 3 + 2 = 5. You can thus divide both quantities by 5 to arrive at the simplified comparison below:
−2 + 3 = 1 −3 + 2 = −1
Therefore, Quantity A is greater.
gmatclubot
Re: (-2+3)(2-(-3)) [#permalink]
31 Jan 2023, 12:16
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