John is traveling down hill on his scooter at 18mph. His wheels are 3 inches in diameter. How many rotations do the wheels make per second?

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- Dec 14th 2011, 06:29 PMmmhndrsnStory Problem
John is traveling down hill on his scooter at 18mph. His wheels are 3 inches in diameter. How many rotations do the wheels make per second?

- Dec 14th 2011, 11:26 PMemakarovRe: Story Problem
1. Convert 18mph to inches per second.

2. Find the circumference of the wheels.

3. Divide the speed by the circumference.