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Which of the following equations is dimensionally consistent?

A. a3 = 1.2 (v/t)3 + 0.2 x3/t6 + 1.5 v4/x3
B. a3 = 1.2 (v/t)3 + 0.2 x2/t6 +3 v6/x3
C. a3 = 1.2 (v/t)3 + 0.2 x3/t6 - 1.5 v6/x3
D. a3 = 1.5 (v/t)2 + 0.2 x3/t6 - 1.5 v6/x3

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