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Mathematics, 16.10.2019 20:00 liddopiink1
In a certain game, a player can solve easy or hard puzzles. a player earns 30 points for solving an easy puzzle and 60 points for solving a hard puzzle. tina solved a total of 50 puzzles playing this game, earning 1,950 points in all. how many hard puzzles did tina solve?
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In a certain game, a player can solve easy or hard puzzles. a player earns 30 points for solving an...
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