Answer:
Because when you are finding slope the line must be linear and because it is linear it doesnt matter which point you get because you get the same answer (you can try it yourself)
Step-by-step explanation:
Hope its understandable
90 is a rational number
Gym: A=100 P=41
Cafeteria: A=144 P=48
Locker room: A=75 P= 37
102 is the correct answet