300
Select yes or no to indicate whether the ratio of cupcakes to brownies is correct.
1a. 11 cupcakes and 22 brownies 11/22 and 1/11
1b. 20 cupcakes and 14 brownies 20/14 and 10/5
1c. 9 cupcakes and 30 brownies 30/9 and 10/3
1d. 15 cupcakes and 29 brownies 15/29
What is 1a - yes, 1b - no, 1c - no, 1d - yes?