This is a calculation, please answer me

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

£100.80 divided by 14 equals 7.2 how would we put this as money

Has a picture and need within 5 min