Question
For every textbook Ken sells, he gets $2.40 as commission. He gets an additional $1.60 for every 4 textbooks sold. How many textbooks did Ken sell if he earned $52 in commission?
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For every textbook Ken sells, he gets $2.40 as commission. He gets an additional $1.60 for every 4 textbooks sold. How many textbooks did Ken sell if he earned $52 in commission?