Question
A shop had a promotion on cookies. Each box of cookies was sold for $3.40. 4 boxes of cookies were sold for $12.70. Fred wanted to buy 14 boxes of cookies for his class party. What was the least amount of money he had to pay?
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A shop had a promotion on cookies. Each box of cookies was sold for $3.40. 4 boxes of cookies were sold for $12.70. Fred wanted to buy 14 boxes of cookies for his class party. What was the least amount of money he had to pay?