Example13 - that since Lisa is 16 years younger than Kathy,...

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Example 2 Lisa is 16 years younger than Kathy. If the sum of their ages is 30, how old is Lisa? First, circle what you must find—  how old is Lisa?  Let Lisa equal  x . Therefore, Kathy is  x  + 16. (Note 
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Unformatted text preview: that since Lisa is 16 years younger than Kathy, you must add 16 years to Lisa to denote Kathy's age.) Now, use the problem to set up an equation. Therefore, Lisa is 7 years old....
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