Question
Nathan wants to buy 17 identical staplers as follows.
1 for $4.50
5 for $20.60
What is the least amount of money she needs to buy 17 such staplers?
3 m

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Nathan wants to buy 17 identical staplers as follows.
1 for $4.50
5 for $20.60
What is the least amount of money she needs to buy 17 such staplers?