The ratio of cats to dogs is 2:1 and the ratio of dogs to parrots is 15:2. In addition, the ratio of parrots to snakes is 3:1 and the ratio of snakes to turtles is 6:7. What is the ratio of cats to turtles?
c/d = 2/1
d/p = 15/2
p/s = 3/1
s/t = 6/7
c/t = c/d * d/p * p/s * s/t
= (2/1)(15/2)(3/1)(6/7)
= 270/7