Question

A bicycle tire has a diameter of twenty-six inches. If a pebble is stuck in the tire's treads, about how far will the pebble travel with each rotation of the tire?

forty point eight two inches

eighty-one point six four inches

five hundred thirty point six six inches

two thousand one hundred twenty-two point six four inches

Answer 1

@mathslover

Answer 2

@KattGirl14

Answer 3

@surd

Answer 4

Help!?! :/

Answer 5

Do you know the equation for the circumfrence of a circle?

Answer 6

Nope

Answer 7

http://openstudy.com/study#/updates/51fd7ecde4b0cc46c14aa69a

Answer 8

That is someone who recently solved this. Take a look.

Answer 9

Well it is pi times diameter.

Answer 10

And the diameter is 26, so 26 times pi is...

Answer 11

81.64...

Answer 12

Right!