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Answer the following mixture problem. Report your answers to the nearest tenth of a pound.

How many pounds of pretzels ($ 3.10/lb) must be mixed with how many pounds of caramel popcorn ($ 2.72/lb) to yield 45 pounds of mix that costs $ 2.96/lb?

pounds of pretzels ($ 3.10/lb) must be used.

pounds of caramel popcorn ($ 2.72/lb) must be used.