6. 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
7. 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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10. 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.
11. 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.
