It cost 3 times more to feed a cat per week than than it does a rabbit per week and half as much to feed a hamster per week than it to feed a rabbit per week. If it cost $2.00 to feed a hamster per week, how much does it cost to feed a cat for 3 weeks
A. $9.00
B. $48.00
C. $36.00
D. $84.00
E. $25.00
F. $12.00