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Mathematics, 24.02.2020 23:07 jjjjjjgegi3088

Alex sold wrapping paper rolls (r) as part of a school fundraiser. He earned a total of 156 reward points from his sales. Using the equation 3r = 156, how many rolls of wrapping paper did Alex sell?
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Alex sold wrapping paper rolls (r) as part of a school fundraiser. He earned a total of 156 reward p...
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