Question

At a farm the ratio of cows to horses was 7:2. If there were 21 cows at the farm, how many horses were there?

Answer 1

Answer: 6 horses bc you just have to multiply by 3

Answer 2

6 horses.

Explanation:

If the number of horses is x we have the equation:

7/2 = 21/x

7x = 2*21

x = 42/7 = 6.