Respuesta :

Let

x ----> number of miles

y ---> total charge

n ----> number of days

10 1/2 cents=10.5 cents=$0.105

so

y=29.95n+0.105x

For x=214.8 miles

n=3 days

y=29.95(3)+0.105(214.8)

y=$112.40

the answer is option A