2 dozen = 2 * 12 = 24
So,
1 teaspoon cinnamon = 24 oatmeal cookies
What amount (in fraction) of cinnamom is need to make 1 cookie??
That will be:
So, each cookie requires 1/24th teaspoon of cinnamon.
To find amount of teaspoon needed to make 60 cookies, we mutliply this rate. So, we have:
Changed to mixed number, for better understanding, we would need: