Question

In a certain farm, there are 12 roosters and 5 pigs. The land on which they walk is rough and hot, which calls for sneakers. Each pair of sneakers cost $3. The total cost of buying sneakers for these animals in dollars is

Answer 1

5 pigs require 10 pairs of sneakers.
12 roosters require 12 pairs of sneakers.
A total of 10 + 12 = 22 pairs of sneakers are required.
Cost of 22 pairs $=22\times 3=66$