Mathematics, 30.09.2019 01:20, tinytoonjr8052

You are buying decorations for a birthday party. six rolls of crepe paper and 20 balloons cost $11.90. after you start decorating, you need more supplies. you buy 2 more rolls of crepe paper and 15 more balloons for $6.05. how much did each roll of crepe paper cost?

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You are buying decorations for a birthday party. six rolls of crepe paper and 20 balloons cost $11.9...