The student council is selling raffle tickets to raise money for the winter dance. they have a total of 275 tickets to sell and are told they must sell at least 82% of them to raise enough money. how many do they need to 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?