Question
The stationery kiosk has a special offer for staplers:

1 stapler for $3.30
4 staplers for $12

Perry wants to buy 9 staplers. What is the least amount he has to pay?
3 m

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The stationery kiosk has a special offer for staplers:

1 stapler for $3.30
4 staplers for $12

Perry wants to buy 9 staplers. What is the least amount he has to pay?