Answer:
20
Step-by-step explanation:
Section A has 27000 seats
Section B has 14200 seats
and Section C has 12800 seats.
I know that x= 60. I don't know what a proportion is. sorry.
Answer:
4.0
observed time spent exerciseing: 4.5
predicted time:5.5
residual: 1
5.0
observed time spent exerciseing: 6.5
predicted time:5.0
residual: 1.5