A ?ight from Pittsburgh to Los Angeles took 5 hours and covered 3,060 miles. What was the plane's average speed?
Find out the rate at that Susan is traveling through dividing her distance by time; 114 ÷ 2 = 57 mph. For find out how long it will take her to travel 285 miles and divide her distance through her rate; 285 ÷ 57 = 5 hours.