Question
Charlie folded 25 paper elephants on the first day. Each day he did 10 more paper elephants than the previous day. On the last day, he made 115 elephants. How many days did he fold paper elephants?
2 m

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Charlie folded 25 paper elephants on the first day. Each day he did 10 more paper elephants than the previous day. On the last day, he made 115 elephants. How many days did he fold paper elephants?