# circumference and revolutions

Billy likes to go cycling. His bike of wheels has diameter 70cm. He has invented a counter for his bike, which counts the number of revolutions the wheels make. One day the counter shows 370 revoltions. How far has billy cycled? Give your answer to the nearest metre.

circumference and revolutions Billy likes to go cycling. His bike of wheels has diameter 70cm. He has invented a counter for his bike, which counts the number of revolutions the wheels make. One day the counter shows 370 revoltions. How far has billy cycled? Give your answer to the nearest metre.
jack
16 January 2012
What's the relationship between the circumference and the diameter? If you can work out the circumference then you know how far forwards the bike moves for one wheel revolution.
ianmoth
16 January 2012
i dont get it
jack
18 January 2012
god bless u
jack
18 January 2012
thank u evr so much
jack
18 January 2012
now i understand it
jack
18 January 2012
O thank u very much
jack
18 January 2012
Thank You Soooo Much :D
twinkletoeivy
18 May 2015