Answer:
Step-by-step explanation:
le the total cost be y
and the number of miles be x
the expression for the total can be modelled linearly as
y=mx+c
given that
c=$40
m=$0.75
for x==60miles
we can substitute into the expression to solve for y we have
y=0.75(60)+40
y=45+40
y=85
The cost to deliver at a distance of 60miles is $85