Answer:
5 chaperones to 25 students
Step-by-step explanation:
You have to see which expression can be multiplied by 5 since there are 5 chaperones each number of students for example:
5 x 2 = 10
5 x 3 = 15
5 x 4 =20
5 x 5 = 25
15
5:22=15:66, simply multiply 3 in the right hand side
Answer: f^-1(4)= 2 f^-1(-5)= -4 f^-1(0)= 0
