An Uber charges a flat rate of $1.66 plus $0.39 per mile. Which of these equations represents the cost of a ride in this Uber?
c=0.39m+1.66
c=
0.39
m
+1.66
c=1.66m+0.39
c=0.39(m+1.66)
c=0.39m+1.66
c=
0.39
m
+1.66
c=1.66m+0.39
c=0.39(m+1.66)