Find the area

Show/explain how to solve ty.

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Plot the intercepts to graph the equation