True or False: Kaytlin makes $8.50 per hour working as a hairdresser. Suppose one week, she works 5, 10, 15, 20, 25 or 30
hours. The table below shows her domain and range for total
earnings as a function of hours worked.
Input Output
5
42.5
10
85
15
127.5
20
170
25
212.5
30
255

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?