Question

write 15 cookies to 40 brownies as a ratio in simplest form

Answer 1

15/5 =3, 40/5=8. 3/8 cannot be simplified, so 3/8 is the answer.

Answer 2

15 : 40 (would be the original ratio)

. . . but in simplest form

15 / 5 : 40 / 5

3 : 8

3 cookies : 8 cookies

               or

3 cookies to 8 cookies

               or

3 cookies / 8 cookies