Mathematics, 20.10.2019 19:00 aweller3898

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?
a) $1.15
b) $1.58
c) 22.6¢
d) 25¢

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