Question
Emma wants to buy 19 identical staplers as follows.
1 for $4.70
6 for $24.20
What is the least amount of money she needs to buy 19 such staplers?
3 m

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Emma wants to buy 19 identical staplers as follows.
1 for $4.70
6 for $24.20
What is the least amount of money she needs to buy 19 such staplers?