What is the ratio of 5 rectangles and 13 circles

What is the ratio of 5 rectangles and 13 circles?

A ratio can be written 3 ways, and when working with ratios we have to be very careful and put the answer the way the questions is asking.

Way # 1

a to b

Way # 2

a: b

Way # 3

a/b

5 rectangles to 13 circles

5 rectangles:13 circles

5 rectangles/13 circles.