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Example 1

For the following situation, 

  1. Decide what quantities the independent variable (x) and dependent variable (y) should represent.
  2. Draw a graph of the situation.
  3. Write a linear equation describing the situation.

Bobby has a lemonade stand and charges 25 cents for each glass of lemonade. Don't tell anyone, but he cuts the lemonade with  water to increase his profit margin. Did someone teach this kid right or what?

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