If 1 mile equals 5280 feet and an escalator moves at a rate of 2 feet per second. at what rate does the escalator move in miles per hour?

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?