Question
The bookstore has a special offer for rulers:

1 ruler for $2.40
4 rulers for $8

Liam wants to buy 14 rulers. What is the least amount he has to pay?
3 m

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The bookstore has a special offer for rulers:

1 ruler for $2.40
4 rulers for $8

Liam wants to buy 14 rulers. What is the least amount he has to pay?