0.2 cups of sugar
Make a proportion:
5 cups / 25 cookies = x cups / 1 cookie ---> 0.2
I'm verrry sorry if i get it wrong plz forgive me if it is but here is my hypothesis.
You just divide 5 by 25 which would be 0.2 and so it would be 0.2:1 or 0.2 per cookie
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