Question
Emily wants to buy 19 identical markers as follows.
1 for $4.70
5 for $21.50
What is the least amount of money she needs to buy 19 such markers?
3 m

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Emily wants to buy 19 identical markers as follows.
1 for $4.70
5 for $21.50
What is the least amount of money she needs to buy 19 such markers?