Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

Answer:
900
Step-by-step explanation
That would be 3 * 300 = 900
Answer:
i belive 11 and 1 sorry if it is not right
Step-by-step explanation:
The format is y = mx + b
where y would be your C
x would be your M
m would be the price per mile (2.20)
and b would be your initial fee (2.75)
put this together in that format and we get
C = 2.20M + 2.75