Question

A bicycle tire has a diameter of 17 in how many revolutions of the tire are necessary to travel 800 ft

Answer 1

lets say "n" revolutions are needed

Answer 2

800/17

Answer 3

nope,

each revolution gives u how many feet ?

Answer 4

circumference = pi * d = pi * 17 inches
right ?

Answer 5

i got 180

Answer 6

to travel 800 ft = 800 * 12 inches, u wud need to make :

\(\large \frac{800*12}{\pi * 17}\) revolutions

Answer 7

simplify

Answer 8

oh dear yeah 180

Answer 9

180 is correct !

Answer 10

thanks again :) im so bad at math

Answer 11

lol you're very good , u wlc :)