单选题

	Brand X	Brand Y
Miles per Gallon	40	36
Cost per Gallon	$0.80	$0.75

The table above gives the gasoline costs and consumption rates for a certain car driven at 50 miles per hour, using each of two brands of gasoline. How many miles further can the car be driven at this speed on $12 worth of brand X gasoline than on $12 worth of brand Y gasoline?