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A bicycle wheel makes seven revolutions. Determine how far the bicycle travels in feet. The diameter of the wheel is 35 inches.

You have to use 3.14 for Pie.
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1 Answer

One revolution represents the circumference of the bicycle wheel which is:
 
Circumference = pi * diameter
 
7 revolutions = 7pi * diameter = 7 * 3.14 * 35 in. = 769.30 in = 64.11 feet