1.

 If A:B = 2:3, B:C = 4:5 and C:D = 6:7, then A:B:C:D is:

A. 16:22:30:35
B. 16:24:15:35
C. 16:24:30:35
D. 18:24:30:35
Answer» D. 18:24:30:35


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