Question

A bicycle wheel has diameter twenty-six inches. Approximately how far does the bike travel when the wheel makes 5 complete rotations?

eighty-one point six four inches

one hundred sixty-three point two eight inches

four hundred eight point two inches

eight hundred sixteen point four inches

Answer 1

please help me

Answer 2

I'm giving a medal away to whoever answers first

Answer 3

ok thank you

Answer 4

Check out this .gif: http://upload.wikimedia.org/wikipedia/commons/2/2a/Pi-unrolled-720.gif
The diameter of the circle there is 1 (unit), and when unrolled, you get the circumference of the circle, which is equal to pi x diameter (as shown by sourwing above).

Answer 5

so whats the answer