A truck used 28 gallons of gas when driving 1008 miles. What is the rate per gallon? A truck used 28 gallons of gas when driving 1008 miles. What is the rate per gallon? A truck used 28 gallons of gas when driving 1008 miles. What is the rate per gallon? A truck used 28 gallons of gas when driving 1008 miles. What is the rate per gallon?