Unit 2, Lesson 5: Percent of Change Apply, homework help

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Unit 2, Lesson 5: Percent of Change Apply, homework help

Open Ended

Give a counterexample to the statement below.

The percent of change must always be less than 100%.

Writing in Math

Use the data on page 129 to find the percent of the increase in the number of area codes from 1999 to 2004. Explain why knowing a percent of change can be more informative than knowing how much the quantity changed.