Answer:
the circumference is 5, since the diameter is half, so you have to double 2.5 to get 5. 2.5 + 2.5 = 5
if the tire rotates 1 time and gains 5 feet, we have to divide 5 from 5,280. So...
5,280 รท 5 = 1056
it rotates 1056 times to get to 1 mile!