SOLUTION: How much more do 12 bumper stickers cost than 6 bumber stickers? BUMPER STICKER SALE! Choose any 6 $3.20 Choose any 12 $6.00 Choose any 18 $8.

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Question 196874: How much more do 12 bumper stickers cost than 6 bumber stickers?
BUMPER STICKER SALE!
Choose any 6 $3.20
Choose any 12 $6.00
Choose any 18 $8.00
Choose any 24 $9.50

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
6-3.20=$2.8 more