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Mathematics 12 Online
OpenStudy (anonymous):

Jon and Lexi are playing a marble game. According to their rules, 4 points are awarded for each red marble collected and 2 points are awarded for each blue marble collected. Which expression represents Jon's total score if he has r red marbles and b blue marbles? 4r + 2b 4r − 2b 2r − 4b 6rb

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