MATH PLS HELPPP WITH PROBLEMS BRAINLIESTTT AND POINTSSS

This question awards 100 ! i really don’t want to fail i will also mark you !

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?