Question 1 of 50

Box A is $\frac{2}{3}$ as heavy as Box B. Box B is $\frac{7}{4}$ as heavy as Box C. Find the ration of the mass of Box C to the mass of Box A.

A
4:6:20
B
8:12:21
C
12:15:22
D
15:18:23
E
None of the above