My last half is something that can allow you entrance into a secured area and I am also a nation. Some people find me mouth watering. What am I?
The rear wheel of a motorcycle is 6 feet in circumference. The gear wheel, attached to this rear wheel, has 12 teeth, and is driven by a sprocket wheel of 24 teeth. How far does the rear wheel travel for 1 complete revolution of the sprocket wheel?
