Steve can fuel his compact car with either regular or premium gas. If Steve uses regular gas his car gets 27 miles per gallon, but if he uses the more expensive higher-octane premium gas his car gets 30 miles per gallon. Regular gas is currently $2.70 per gallon. Let the answers below represent the amount by which premium gas costs more than regular gas per gallon. Which of these is the smallest difference in price for premium that still leaves regular gas a better value? 0.10 0.20 0.25 0.29 0.32
