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Lesson 27 Percent of Change Not

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					                     Lesson 2.7 Percent of Change Notes
             Algebra 1                            Hartjen                               Page 1 of 1
Percent of Change                                 Example 2: The number of cruise ships in
____________________________________              North America increased 18% from 2000 to
____________________________________              2004. If there were 192 ships in 2005, how
____________________________________
                                                  many were there in 2000?
Percent of Increase
____________________________________
____________________________________
Percent of Decrease
____________________________________
____________________________________
Example 1: Determine whether each percent of
change is a percent of increase or a percent of
decrease. Then find the percent of change.        Example 3: Marta is purchasing wire and
   a. Original: 20                                beads to make jewelry. Her merchandise is
      Final: 23                                   $28.62 before tax. If the tax is 7.25% of the
                                                  total sales, what is the actual cost for her
                                                  purchases?




   b. Original: 25
      Final: 17                                   Example 4: Since Tyrell has earned good
                                                  grades in school, he qualifies for the Good
                                                  Student Discount on his car insurance. His
                                                  monthly payment without the discount is $85.
                                                  If the discount is 20%, what will he pay each
                                                  month?



   c. Original: 66
      New: 30

				
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