How many ways are there for a collection of exactly 100 coins (pennies, nickels, dimes or quarters) to total $2.99?
Note: Pennies are worth $0.01, nickels are worth $0.05, dimes are worth $0.10 and quarters are worth $0.25.
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For her birthday, I bought my daughter a set of five nested wooden dolls, similar to those originating in China. The set appears as one do...
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1. Poor people have it. Rich people need it. If you eat it , you die. What is it? 2. If you don't keep me, I will break. 3. Take o...
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How many places are there on earth where one could walk one mile south, then one mile west, then one mile north and end up in the same spo...
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