Answer:
3.79 miles per hour to the nearest hundredth.
Step-by-step explanation:
There are 3600 seconds in 1 hour.
50 feet in 9 seconds = 50/9 feet per second.
= (50/9) * 3600 feet per hour
= (50/9) * 3600 / 5280 miles per hour.
= 50 * 400 / 5280
= 3.79 miles / hour.
