Is 12 rational or irrational

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

I'm stumped by this question. someone with my math homework