Answer:
66 cows
Step-by-step explanation:
Total number of animals = 154
Every 3 cows = 4 chickens
1 set = 3 cows + 4 chickens = 7 animals
Total number of sets = 154 / 7 = 22 sets
Therefore,
Total number of cows = 22 * 3 = 66 cows
To check back,
(22 * 3) + (22 * 4) = 154 animals
