Question
Vaidev folded 19 paper boats on the first day. Each day he did 3 more paper boats than the previous day. On the last day, he made 37 boats. How many days did he fold paper boats?
2 m

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Vaidev folded 19 paper boats on the first day. Each day he did 3 more paper boats than the previous day. On the last day, he made 37 boats. How many days did he fold paper boats?