A person on a moving sidewalk travels 40 feet in 8 seconds. The moving sidewalk has a length of 100 feet. How long will it take to move from one end to the other?
40 ft : 8 sec = 110 ft : x sec
40/8 = 110/x
40x = 880
x = 880/40 = 22
40/8 = 110/x
40x = 880
x = 880/40 = 22