Respuesta :

bcalle
a. Miles
b. Yes, y=31x
c. Miles driven will be larger
d. Yes, plug number of gallons in for x
e. Yes, plug number of miles in for y
f. y=31(18);. y=558miles
g. 18=31x; x= .58 gallons
h. y=31(1/2); y= 15.5 miles
I. (1/2)= 31x; x= .016 gallons