SOLUTION: A person is riding a Ferris wheel with a diameter of 80 feet. If a ride all the way around the circle takes 90 seconds, how fast is the rider traveling in miles per hour?

Question 1170260: A person is riding a Ferris wheel with a diameter of 80 feet. If a ride all the way around the circle takes 90 seconds, how fast is the rider traveling in miles per hour?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
Circumference of a circle = diameter * pi

Circumference of Ferris wheel = = 251.33 feet

Convert 251.33 feet to miles. There are 5280 feet in one mile.

= 0.0476. The circumference of the Ferris wheel is 0.0476 miles.

Convert 90 seconds to hours. There are 3600 seconds in one hour.

= 0.025. The Ferris wheel takes 0.025 hours to complete one circle.

Rate =

Rate = = 1.904 miles per hour
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