NEED HELP 4. Sam's parents are teachers who commute 45 miles roundtrip to work 5 2 days a week. His parents spend $38 on gasoline each week. Gasoline cost $2.48 per gallon. Which of the following statements is true for this problem ? Sam's parents spend $0.17 per mile on gasoline II. Sam's parents buy 15.32 gallons of gasoline per week. III. Sam's parents car gets 5.92 miles per gallon of gasoline .