Question
Jacob wants to buy 14 identical notebooks as follows.
1 for $4.30
6 for $24.80
What is the least amount of money she needs to buy 14 such notebooks?
3 m

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Jacob wants to buy 14 identical notebooks as follows.
1 for $4.30
6 for $24.80
What is the least amount of money she needs to buy 14 such notebooks?