A car travels 154 miles on 5.5 gallons of gasoline. How many gallons would it need to travel 900 miles? 5) A car can travel 56.0 miles on 3.2 gallons of gasoline. How far can it go with 7.9 gallons of gasoline? 6) You buy 30 pencils for $4.50 while your friend buys 50 pencils for $7.25. Who has the better deal?