A) x = 6, y = 12, z = 7
B) x = 12, y = 7, z = 6
C) x = 6, y = 7, z = 12
D) None of these
Correct Answer: C
Solution :
(c) 3(3/4) + 2(5/6) = 15/4 + 17/6 = 45 + 34/12 = 79/12 = 6(7/12).
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