Question

there is enough grass to feed 6 cows for 3 days. how long would the same amount of grass feed 9 cows?

Answer 1

4 1/2 days

Explanation:

cows | 6 | 9

days | 3 | x

6 divided by 2 is 3

9 divided by 2 is 4.5

x = 4 1/2 days