Question 8
A beaver currency exchange trades coins for branches of different sizes. To minimize the number carried, each customer wants as few branches as possible. Branch prices are shown; each size has unlimited supply.
Four customers have 15,16,17,18 coins respectively and exchange the full amount. What are their respective minimum branch counts?
Four customers have 15,16,17,18 coins respectively and exchange the full amount. What are their respective minimum branch counts?