SOLUTION: How many revolution does it take for a 6 inch diameter wheel to travel 15 feet?

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Question 295283: How many revolution does it take for a 6 inch diameter wheel to travel 15 feet?
Found 2 solutions by Alan3354, nerdybill:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
circumference+=+pi%2Ad+=+0.5pi+feet
Revs = 15/(0.5pi) = 30/pi
revs =~ 9.55

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
How many revolution does it take for a 6 inch diameter wheel to travel 15 feet?
.
Circumference = (pi)d = (3.14)6 = 18.84 inches
So, for each revolution of the wheel, you would have gone 18.84 inches
.
Convert 15 feet to inches:
15 feet * 12 inches/feet = 180 inches
.
180/18.84 = 9.55 revolutions