what is the probability that the athlete is either a football player or a basketball player?

Question

A survey of athletes at a high school is conducted, and the following facts are discovered: 23% of the athletes are football players, 42% are basketball players, and 11% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player?

Probability =  % (Please enter your answer as a percent)

Answer 1

23+43-11= 55% chance a randomly chosen athlete plays football or basketball

it may help to draw a venn diagram, or just 2 overlapping circles