Question
The stationery kiosk has a special offer for staplers:

1 stapler for $1.20
3 staplers for $3

Justin wants to buy 13 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 $1.20
3 staplers for $3

Justin wants to buy 13 staplers. What is the least amount he has to pay?