Can you help me with this?

Question

I did the first part here:
The diameter of a tire is 2.5ft.

A. find the circumference. (my answer is 7.85)
B. how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280ft)
Thank you :)

Answer 1

C = pi D = 3.14159 * 2.5 ft so Yes
so how many circumferences in 5280 ft? n = 5280/7.85

Answer 2

so do i divide?

Answer 3

yes
every time the tire turns, you go 7.85 ft :)

Answer 4

i did that and i got 672.611465. i guess thats the answer.?

Answer 5

thank you so much damon!

Answer 6

wait i’m so confused

Answer 7

i am to...

Answer 8

I am confused