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Mathematics 7 Online
OpenStudy (anonymous):

Nina wants to download games for her video game console. Older games cost 250 points and new releases cost 500 points. Nina has 7500 points to use. The equation 250a + 500b = 7500, where a is the number of older games and b is the number of new releases, models the situation. How many older games can she download if she downloads three new games?

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