Question

Write the ratio in three different formats: a to b a:b a/b
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.
a. 1 to 3 1:3 1/3
b. 1 to 2 1:2 1/2
c. 2 to 1 2:1 2/1
d. 3 to 1 3:1 3/1