Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the Costa Rican blend with the Kona blend, but always in the same proportion. Yesterday, you mixed 120 pounds of the Costa Rican blend with 108 pounds of the Kona blend. Today, there is 110 pounds of the Costa Rican coffee left in stock. How many pounds of the Kona coffee should you mix with it to get your secret blend?

Answer: pounds