Answer:
Answer is below... also make sure to mark your question as math instead or reading
Explanation:
Transportation= 200
Other= 60
Food and drink = 60
320 + 11x
     cost per ticket is 11
      x = number of people                   320 + 11(100) = 15(100) Â
Her price= 15x
tickets sold = 100 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1420=1500 Â Â Â Â 80$ extra
                    Answer = 80