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24 Feb 2022, 07:47
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B
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68% (00:50) correct
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If w + x + y = 18, what is the value of y?
(1) x - y = 4
(2) x = 8 - w
(1) x - y = 4
(2) x = 8 - w
24 Feb 2022, 07:57
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B is enough to reach out a definitive solution.
Even without substitution clearly, you can visualize that the values you need are x and w, to isolate y.
X=8-w so B is the answer
Not a 700 level question. 650+ for sure
Regards
Even without substitution clearly, you can visualize that the values you need are x and w, to isolate y.
X=8-w so B is the answer
Not a 700 level question. 650+ for sure
Regards
24 Feb 2022, 08:12
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BrentGMATPrepNow
If w + x + y = 18, what is the value of y?
(1) x - y = 4
(2) x = 8 - w
(1) x - y = 4
(2) x = 8 - w
#1
x-y=4
many possibilities in case all are +ve integers
least vale of y = 6 so on
insufficient
#2
x+w=8
and y= 10
sufficient
option B
