Question
The cost of 6 novels and 4 paperbacks is $12.40. The cost of 3 novels and 4 paperbacks is $9.40. What is the cost of 8 novels and 8 paperbacks?
4 m

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The cost of 6 novels and 4 paperbacks is $12.40. The cost of 3 novels and 4 paperbacks is $9.40. What is the cost of 8 novels and 8 paperbacks?