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ACTIVITY

Two Algorithms: What Do They Mean?

Look carefully at these two different solutions to the same problem. Then answer the questions below.

• 1 How would you explain to someone else how Solution 1 works? Where does the 3,000 come from? Where does the 60 come from? Where does the 600 come from? Where does the 12 come from?

• 2 How would you explain to someone else how Solution 2 works? Where do the 1s and the 2 above the 142 come from? Where does the 0 in the 4,260 come from?

• 3 How are the two solutions the same? How are they different?

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