SOLUTION: If a wheel completes exactly 5 revolutions while rolling 80 times pi feet, what is the diameter of the wheel?

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Question 194537: If a wheel completes exactly 5 revolutions while rolling 80 times pi feet, what is the diameter of the wheel?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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If a wheel completes exactly 5 revolutions while rolling 80 times pi feet, what is the diameter of the wheel?
:
circumference = pi*d; (1 revolution)
:
pi*d = 80%2F5*pi
Divide both sides by pi
d = 16