How many more revolutions?
Mathematics

Tutor: None Selected  Time limit: 1 Day 
The Northern Tier bicycle tour route from Anacortes, Washington, to Bar Harbor, Maine, is a 4,264.5 miles long. How many more revolutions over the entire route will a 16inch diameter wheel on a bike trailer complete when compared with a 27inch diameter wheel on a bicycle? Please show work and explain your process step by step and the reason why you took those steps.
Also... What's a revolution? I know I've heard of the American Revolution in my History class.. But I'm not sure in math...
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The distance to be covered is 4264.5 miles
for us to find the number of revolutions that the 16 wheel diameter will cover, we first calculate the circumference of the wheel
circumference = piD where pi=3.142
hence circumference = 3.142*16= 50.272 inches = 0.0007934 mile
number of revolutions = distance covered/circumference = 4264.5/0.0007934 = 5374968 revolutions
for the other wheel
circumference = 3.142*27 = 84.834 = 0.0013389 mile
number of revolutions = distance covered/circumference = 4264.5/0.0013389 = 3185077 revolutions
The 16 inch diameter wheel will complete 2189891 revolutions. this is obtained by subtracting the two revolutions.
A revolution is a complete cycle made by the wheel.
Thanks.
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