posted by joshu .
You drive 15 miles each way to go to work. Your car gets 18 miles per gallon and gasoline in your town costs $2.50 per gallon. How much money will it cost you to get to and from work for one five-day work week
15 * 2 * 5 = 150 miles per week
150 / 18 = 8.33333 gallons per week
Take it from there.