We are given the fact that he plays football, so the probability of his being a football player is 100%.
We know that 1/3 of the football players also play baseball, so the probability that he is also a baseball player is 1/3.
The top of the fraction is the Y axis, count to 3 on the y axis and 5 on x axis
I think it is 2 I am trying to solve it only 4th grade