OpenStudy (anonymous):

Write the ratio in three different formats: In a year, there are 4 months that have 30 days. Write a ratio of the months with 30 days to the months with other than 30 days. 1. 1 to 3;1:3:1/3 2. 1 to 2;1:2;1/2 3. 2 to 1;2:1;2/1 4. 3 to 1;3:1;3/1