Question
Avery wants to buy 16 identical staplers as follows.
1 for $4.40
5 for $20.80
What is the least amount of money she needs to buy 16 such staplers?
3 m

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Avery wants to buy 16 identical staplers as follows.
1 for $4.40
5 for $20.80
What is the least amount of money she needs to buy 16 such staplers?