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 eliminate
c.22.6¢
d.25¢