Answer: B; 84.
Step-by-step explanation:
If the ratio of cats to dogs is 3:4, and there is 36 cats in the shelter, then we need to divide 36 ÷ 3 = 12.
4 x 12 = 48.
36 + 48 = 84.
The total number of cats and dogs at the animal shelter is 84, so the answer is B.
