Question
In a project, Gem, Mary and Nora collected 1320 story books altogether. Gem collected 549 story books. She collected 140 more story books than Mary. How many story books did Nora collect?
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In a project, Gem, Mary and Nora collected 1320 story books altogether. Gem collected 549 story books. She collected 140 more story books than Mary. How many story books did Nora collect?