The equation y = -1. 5x + 24 represents the gallons left ina tub after x minutes of being drained. Interpret the x-intercept.
(What does the number on the x-axis represent?)

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?