It is 21000 divided by 52.5 = 400
5250
You take 52.5 X 400 and it equals 21,000
30
1,600 divided by 4 = 400
133.3333
300
21000
0.0013
It is the same as 400 divided by 2 which equals 200
30
There are about 4 miles in 21000 feet.21000 divided by 5280 (5280 is the number of feet in a mile)
0