Mathematics, 13.05.2021 01:00 newben
Billy and Sam started with the same number of baseball cards in their collections. Billy collected 3 cards per week and now has 29 cards. Sam collected 2 cards per week and now has 20 cards. Let x represent the number of cards they began with, and let y represnt the number of weeks. Which system of equations represents this situation?
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Billy and Sam started with the same number of baseball cards in their collections. Billy collected 3...
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