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SumRule.md (252B)

      1 # Sum Rule
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      3 Ch 6.1
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      5 **Definition:** The sum rule states that the total number of possible choices is the sum of all choices.
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      7 Example:
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      9 There are 5 ways to paint a fence and 3 ways to paint a wall. How many ways are there to paint fences and walls?
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