4
5
6
7
Correct answer is C
23y = 1111two,
2 x y1 + 3 x y0 = 1 x 23 + 1 x 21 + 1 x 2o
2y + 3 = 8 + 4 + 2 + 1
2y + 3 = 15
2y2
122
y = 6
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