Question
Peter folded 29 paper swans on the first day. Each day he did 8 more paper swans than the previous day. On the last day, he made 109 swans. How many days did he fold paper swans?
2 m

Click button first when a symbol is required. X

Peter folded 29 paper swans on the first day. Each day he did 8 more paper swans than the previous day. On the last day, he made 109 swans. How many days did he fold paper swans?