You can
put this solution on YOUR website!$2.50 x 6 = $15.00
$1.25 x 1 = $ 1.25
$0.50 x 2 = $ 1.00 ... total: $17.25
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Now...
6 x 12 cards = 72 cards
3 x 1 card = 3 cards
2 x 2 cards = 4 cards ... total: 79 cards
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Answer: E. none of the above