15. A bicyclist has 700 mm diameter tires and a device the counts rotations. Their tires turned 2876.4 rotations in 21.25 minutes. What was their average speed in km/hr?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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15. A bicyclist has 700 mm diameter
tires and a device the counts
rotations. Their tires turned 2876.4
rotations in 21.25 minutes. What was
their average speed in km/hr?
Transcribed Image Text:15. A bicyclist has 700 mm diameter tires and a device the counts rotations. Their tires turned 2876.4 rotations in 21.25 minutes. What was their average speed in km/hr?
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