A man has an air conditioner he wants to load into the back of his truck. Instead of lifting the air conditioner and carrying it to the truck, he improvises a ramp. He takes a board that is 3.6 meters long and places one end of it in the back of his truck, 1.2 meters off the ground. He leaves the other end of the board on the ground. He places the air conditioner on a dolly and pushes them both up the ramp and into the truck. What is the mechanical advantage of the ramp?
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