What is the slope of the following function

How do i get the answer for 2/3 * 10/3

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?

Multiplying fractions by whole number 5 x 1/3=?