Download - Percent of Change
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Agenda Monday, Dec. 14
homework 16 p. 207 # 1 - 12, 30 - 38 evens
Ch 4 quiz tomorrow
Correct homework
Percent of change
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Percent of change
old - new the absolue value of the difference old
Example: The original price of a stereo is $150 and the sale price is $100. What is the percent of change?
150 - 100 50 33% decrease 150 150
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A train ticket to Washington, DC cost $126 last month, and this month the ticket price is $140.
old - new 126 - 140 14 11% increase old 126 126
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1. The price of a sweater was $24.49 last year and this year is$29.99.
2. A CD costs $13.99 and is on sale for $12.99.
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3. In 1990, there were 1,330 registered llamas in the United States. In 2000, there were 29,856. (round to the nearest whole percent)
4. Kyle bought a painting for $600 and later sold it for $800.
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