Cecelia planted 11 new flowers in her garden. The flowers were either yellow, which cost $1.60 each at the market, or purple, which cost $1.80 each. Cecelia paid a total of $18.20 when purchasing the flowers. How many yellow flowers did Cecelia plant?
yellow flowers

PLEASE HELP ME

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?