You just drove your car 500 miles and used 20 gallons of gas. You know that the gas tank only holds 18 1/2 gallons of gas. What is the number of miles you can drive on one tank of gas?

Respuesta :

500 miles / 20 gallons = 25 miles / gallon

25 miles * 18.5 gallons = 462.5 miles / one tank of gas