Respuesta :

The Answer is 147 miles.

Answer:

The car can travel 147 miles on 7 gallons of gas

Step-by-step explanation:

A car traveled on 3 gallons of gas = 63 miles  

car traveled on 1 gallons of gas =  = 21 miles  

Therefore, car traveled on 7 gallons of gas = 21 × 7 = 147 miles.  

The proportion will be =  × 7 =  × 7  

The car can travel 147 miles on 7 gallons of gas.