Can someone help me understand this question please​

What are different types of statistical programs

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

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?