Question
For every textbook Warren sells, he gets $3.10 as commission. He gets an additional $1.90 for every 6 textbooks sold. How many textbooks did Warren sell if he earned $77 in commission?
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For every textbook Warren sells, he gets $3.10 as commission. He gets an additional $1.90 for every 6 textbooks sold. How many textbooks did Warren sell if he earned $77 in commission?