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MATH / A circular ceiling fan rotates at a constant speed of 80 revolutions per minute. A point halfway between the center of the fan and the outer edge of the fan travels 97968 inches in…

Problem

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problem

A circular ceiling fan rotates at a constant speed of 8080 revolutions per minute. A point halfway between the center of the fan and the outer edge of the fan travels 9796897968 inches in 1515 minutes. How far (in inches) does a point on the outer edge of the fan travel in 3030 minutes?
Plain-text mathematical notation (without MathML)
A circular ceiling fan rotates at a constant speed of 80 revolutions per minute.  A point halfway between the center of the fan and the outer edge of the fan travels 97968 inches in 15 minutes.  How far (in inches) does a point on the outer edge of the fan travel in 30 minutes?
Original LaTeX notation
A circular ceiling fan rotates at a constant speed of $80$ revolutions per minute.  A point halfway between the center of the fan and the outer edge of the fan travels $97968$ inches in $15$ minutes.  How far (in inches) does a point on the outer edge of the fan travel in $30$ minutes?

level

Level 4

type

Geometry

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Source and history

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