How many cats do you have if you had 9 and sell 2 and buy 6 more then sell5 then get 19 then sell 4 then buy 54 then sell 39 and buy an elephant?

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?