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.