three
five
six
seven
Correct answer is C
324=22x
3×41+2×4o = 2×x1+2×xo
12 + 2 x 1 = 2x + 2 x 1
14 = 2x + 2
14 - 2 = 2x
12 = 2x
x = 122
x = 6
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