At a bake sale leslie sold 2 1/2 dozen of sweet rolls. christie sold sweet rolls but did not keep track of what she sold. she started with 5 dozen sweet rolls and had 1 2/3 dozen left at the end of the sale. who sold more sweet roll? how many more did she sell

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?