A model plane flies 18 ft per 2 seconds. What is the planes speed in miles per hour? Round to the nearest tenth.
18/2 = x/3600
2x = 64,800
x = 32,400 feet per hour
32,400/5,280 = 6.136 = 6.1 mph
2x = 64,800
x = 32,400 feet per hour
32,400/5,280 = 6.136 = 6.1 mph