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## Percent of Change

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**Percent**of Change**Increase – To add; go up**Decrease – To subtract; go down During September, $75 was spent on travel. In October, the amount spent on travel was $93. Find the percent of increase.**Mike weighed 200 pounds last year. This year he weighs 165.**What is the percent of decrease in his weight?**Kevin saw a shirt at Old navy that he wanted to buy for $30**but didn’t buy because he had to wait for payday. When he finally went back to the store to buy the shirt, it was marked down to $25. What was the percent of change?**Which of the following represents the greatest percent of**change? a) A person originally weighing 245 pounds, now weighing 205 pounds b) A child who grew from 22 inches to 34 inches c) A coat originally priced $54.00 now on sale for $37.00 d) A bowler who scored 210 points in the first game and 250 points in the second**Which of the following represents the greatest percent of**change? a) A engineer which starting salary was $44,000 and is now making $67,000. b) A book originally prized $24 on sale for $9 c) A student who’s first six weeks average was 72 and the second six weeks 92 d) A car with 12,000 on the odometer the first year and 18,000 the second year.**p. 313**Do # 17 - 26**Which of the following represents the greatest percent of**change? a) A engineer which starting salary was $44,000 and is now making $67,000.**Which of the following represents the greatest percent of**change? b) A book originally prized $24 on sale for $9**Which of the following represents the greatest percent of**change? c) A student who’s first six weeks average was 72 and the second six weeks 92**Which of the following represents the greatest percent of**change? d) A car with 12,000 on the odometer the first year and 18,000 the second year.**At Home Depot, the original price of a refrigerator is $800.**It is on sale for $725. Find the percent of change. 2)**Best buy has CD’s for $16. This weekend they will be on**sale for $12. Find the percent of change. 3)**The original price of a 36 inch TV at Sears during the**Christmas holidays is $700. After the holidays the price will go up to $800. Find the percent of change. 4)**A leather jacket has an original price of $400. Its sale**price is $325. Find the percent of change. 5)**Find the percent of change in price if the old selling price**was $20 and the new selling price is $15. 6)**Which of the following represents the greatest percent of**change? a) A basketball player who scored 12 points the first game and 18 points the second game. b) A volleyball team that won 9 games the first year and 15 the second c) A school who’s attendance grew from 2,000 to 2,600 d) A car originally priced $24,000 now on sale for $20,000**Which of the following represents the greatest percent of**change? a) A baseball team that won 108 games the first year and 72 the next year b) A plant with am original height of 15 inches that grew to be 25 inches tall c) A child that weighed 72 pounds now weighs 110 d) A person making $5.00 per hour now making $9.50 per hour**Tuesday, October 30**Get a Warm Up and have your homework out. Remember!**Which of the following represents the greatest percent of**change? a) A person who spent 60 minutes a night studying now spending 90 minutes a night.**Which of the following represents the greatest percent of**change? b) A block of ice that weighed 95 pounds now weighing 60 pounds.**Which of the following represents the greatest percent of**change? c) A pair of shoes originally priced $49.95 on sale for $39.95.**Which of the following represents the greatest percent of**change? d) A person who originally ran the mile in 8.5 minutes now running it in 7 minutes.**2)**What is the total cost of a $16 CD on sale for 35% off with 8% sales tax?**Homework**Edgar, Mercedes, and Kendall went to Chili’s for dinner last weekend. Edgar got the Cajun Chicken Sandwich and a Dr. Pepper. Mercedes ordered the Turkey Combo and a Mango tea. Kendall got a Fajita Pita and iced tea. They had to pay 8% sales tax and they gave the waiter a 15% tip. What was the total amount they spent at Chili’s?**Homework**After going to a movie Saturday night, Anthony, Miguel, and Donovan went to Chili’s just to order dessert. Anthony ordered a Molten Chocolate Cake and Sprite. Miguel ordered a Mudslide Pie and an IBC Root Beer. Donovan ordered a piece of cheesecake and a Chillin’ Fruit Freezer. They had to pay a 7% sales tax and gave the waiter a $5 tip. What is the total amount they spent?