Question

you have 20 cookies with the ratio is 2 chocolate chip for every 3 sugar. how many sugar cookies do you have?

Answer 1

Sugar     3 6 9 12
cc          2 4 6 8

12+8=20        12 sugar cookies    (just make a table) :)

hope it helped

Answer 2

Total number of parts:
2+3=5.

Each part is:
20 cookies/ 5 parts= 4 cookies/part.

Number of chocolate cookies is:
4 cookies/part* 2 parts= 8 cookies.

Number of sugar cookies is:
4 cookies/part* 3 parts= 12 cookies.

There are 8 chocolate cookies and 12 sugar cookies~