Question
For every story book Peter sells, he gets $3.40 as commission. He gets an additional $1.60 for every 4 story books sold. How many story books did Peter sell if he earned $71 in commission?
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For every story book Peter sells, he gets $3.40 as commission. He gets an additional $1.60 for every 4 story books sold. How many story books did Peter sell if he earned $71 in commission?