There is a really easy way to find this out I can't really help you so if you just look it up on google you should get your awnser
1 Degree Radian = π (pie)/ 180 degrees
His average speed is 634/13 = 48,77 miles/hour. Well, he's fast :D
The answer is A because 24 3/8 inches is roughly 2 feet, 100/2 is 50, and since there is a small 3/8 value, the answer is 49
1 mi and 900 ft,1 mile = 5280 ft
