Answer
6 chocolate chip cookies :)
Explanation:
So this is VERY simple...
Oatmeal is O
Chocolate is C
3:10
C:O
and it says you bake 20 Oatmeal cookies
3:10
C:20
OR
3/10 is c/20
you multiply 2 on the bottom so you do the same thing on the top
3 x 3 = 6