There are 63360 inches in a mile. 3.5/63360 = .0000552 miles.
Three miles is 190,080 inches.
1.5 inches is 0.000023674 miles.
It should be 95040 inches
0.3 miles
158,400 inches. 1 mile has 63,360 inches. 2 miles has 126,720 inches. 1 half miles has 31,680 inches. So 126,720+31, 680= 158,400.
So there are 5280 feet in a mile. And since 12 inches=1 foot, you can solve (8.5/12)/5280=approx. 0.000134 miles. There are about 0.000134 miles in eight and a half inches.
190,080 inches
There are 348480 inches in 5.5 miles.
0.3 miles
It is 0.000023674242... (recurring) miles.
3 miles 10 inches = 15,840.83 feet.