1a. 
The ratio of girls to boys in a a math club was 1 : 4. There were 10 girls. How many boys were there in the club?


2a. 
In a cookie mix, we find cinnamon cookies, thumbprint cookies, and butter cookies in a ratio of 4 : 1 : 2. If a bag of the mix contains 28 butter cookies, how many cookies in total are there?


3a. 
A jar kidney beans and white beans in a ratio of 2 : 5, and 220 of the beans are kidney beans. How many beans in total are there in the jar?


4a. 
In a cookie mix, we find ginger cookies, oatmeal cookies, and snickerdoodle cookies in a ratio of 1 : 2 : 2. If a bag of the mix contains 18 oatmeal cookies, how many cookies in total are there?


5a. 
A bag contains 66 marbles, some green and some transparent.
The ratio of green marbles to transparent ones is 2 : 4. How many transparent marbles are there?

