Bernie has $16000 invested, part at 3% and the remainder at 5%. if the yearly interest on each investment is the same, how much interest does he receive each year?

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Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

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