Answer:
64 mph
Hope this helps :)
Step-by-step explanation:
1/4 of an hour is 15 minutes
If he drove 16 miles in 15 minutes
16 * 4 = 64
He drove 64 mph
How long will it take to reach 224 miles?
going at a speed of 64 mph it will take 3 and a half hours
224/64 = 3.5