If an object travels 80 feet in 4 seconds, what is the object’s approximate speed in miles per hour? (Note: 1 mile = 5280 feet)	Choose the correct choice
A) 7.25
B) 9.47
C) 11.58
D) 13.64
E) 15.92
80 feet/4 seconds = 20 feet/second   (20 feet/second)*(3600 seconds/hour)*(1 mile/5280 feet) = 13.64 miles/hour (approximately)   The answer is 13.64.
<result>D</result>
If an object travels 80 feet in 4 seconds, what is the object’s approximate speed in miles per hour? (Note: 1 mile = 5280 feet)