Question

A blade of a windmill completes 1 rotation every 4 seconds. The outer end of the blade travels 600 feet in 1 rotation. What is the speed of the outer end of the blade in feet per minute?

Answer 1

900 feet per minute

Explanation:

Answer 2

`9000` ft per minute

Explanation:

There are 15 4's in a minute, which is 60.

600x15=9000.