Sally needs 2 1/4 cups of flour to make her cake. she has 1 3/8 cups of flour. how much flour will she need to borrow to have enough to bake her cake?

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?