you get a brainless Alex determined that his average speed when he commuted to work is 35 miles per hour. What conversion factor can be used to convert this speed to feet per hour? StartFraction 1 mile Over 5,280 feet EndFraction StartFraction 1 hour Over 5,280 feet EndFraction StartFraction 5,280 feet Over 1 mile EndFraction StartFraction 5,280 feet Over 1 hour EndFraction