Charlie is riding on his unicycle. If the unicycle's wheel has a radius of 9 inches and makes 2 revolutions every 3 seconds, what is the unicycle's speed in inches per second?
The speed of the unicycle is 18 inches per second.
Why would anyone want to help you?
You have asked 57 questions and never EVER said thank you for an answer.
Plus. although you have given yourself some points for asking your own questions,
You have never given anyone a point of answering.
+230 
