1. 2-7a Percent Change

2. Percent of change: Ratio of the change in an amount to the original amount expressed as a percent Ex. 50% increase in salary 30% off sale

3. Percent of increase: Percent of decrease: When the new number is greater than the original number 50% pay raise When the new number is less than the original number 30% off sale

4. Percent of change: Change original Positive = increase Negative = decrease

5. Find the percent of change New: 23 Original: 20

6. Find the percent of change Original: 25 New: 17

7. Find the percent of change Original: 66 New: 30 New: 12.1 Original: 9.8 Ex 1 Ex 2

8. Find the percent of change Original: 24 New: 40 New: 131 Original: 500 Ex 3 Ex 4

9. The Clemson Tigers averaged 487.5 total yards of offense on 2013. The stout FSU defense held this offense to 326 yards that year. What was the percent of change in Clemson’s offense? Ex 5

10. A recent percent increase in tuition at Florida State University was 9.3%. If the new cost is $35,000 per year, find the original cost per year. Ex 6

11. The number of cruise ships in North America increased 18% from 2000 to 2005. If there were 192 ships in 2005, how many were there in 2000? Ex 6

12. Pg 121-122 #1-4, 14-21