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Percent of Change

Percent of Change. -Practice Problems-. a) Willy's current salary is $45,000. She will take a pay cut next year down to $40,000. b) A football player weighs 200 pounds. He goes on a diet and currently weighs 150 pounds.

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Percent of Change

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  1. Percent of Change -Practice Problems-

  2. a) Willy's current salary is $45,000. She will take a pay cut next year down to $40,000. b) A football player weighs 200 pounds. He goes on a diet and currently weighs 150 pounds. c) A student has a 70 average in math. He attends tutorials for 1 month and raises his average to a 90. d) An athlete runs a mile in 10 minutes. After one month of training, he can now run the mile in 7 minutes. Which of the following shows the greatest percent of change?

  3. Which of the following shows the greatest percent of change? a) Stocks drop from $15 a share to $12 a share. b) Stocks rise from $20 a share to $24 a share. c) Stocks drop from $240 a share to $210 a share. d) Stocks drop from $500 a share to $375 a share.

  4. Which of the following shows the greatest percent of change? a) Gas prices go from $2.00 per gallon up to $3.00 per gallon. b) A salary jumps from $400,000 to $420,000. c) A bowler bowls a game of 200. The next game drops to 160. d) An athlete has a vertical jump of 18 inches. After 4 weeks of training, it increases to 20 inches.

  5. Which of the following shows the greatest percent of change? a) A baby grows from 21 inches to 27 inches during the first 6 months of life. b) A person bench presses 80 pounds. After 2 months of training, she can bench 120 pounds. c) Chicken goes from $2.50 per pound up to $3.00 per pound. d) A student's average drops from an 80 to a 70.

  6. Which of the following shows the greatest percent of change? a) A car increases in price from $24,000 to $27,000. b) AOL subscribers for the month of January drop from 5,000,000 to 4,500,000. c) My cell phone minutes for the month of January were at 1500 while in February they were at 1800. d) A person who normally consumes 4000 calories per day chooses to cut back to 3000 calories per day.

  7. Which of the following shows the greatest percent of change? a) A car normally priced at $30,000 goes on sale for $24,000. b) A salary increases from $80,000 to $90,000. c) A car slows down from 60 miles per hour to 40 miles per hour. d) The value of a house increases from $200,000 to $240,000.

  8. Which of the following shows the greatest percent of change? a) My dog weighs 36 pounds. After 3 months of intense exercise, his weight decreases to 30 pounds. b) A savings account increases from $9,000 to $10,000. c) A person who weighs 200 pounds drops to 175 pounds after being sick for a long time. d) Stocks rise in value from $18 a share to $20 a share.

  9. Which of the following shows the greatest percent of change? a) A tree grew from 6 feet to 12 feet in 1 year. b) An aquarium that was originally priced at $80 is now $60. c) A person whose salary was $100 per week is now earning $120 per week. d) A baby who weighed 7 pounds at birth now weighs 16 pounds.

  10. Which of the following shows the greatest percent of change? a) A car drops in price from $45,000 to $35,000. b) A car increases in price from $15,000 to $20,000. c) A car drops in price from $28,000 to $21,000. d) A car drops in price from $28,000 to $24,000.

  11. Which of the following shows the greatest percent of change? a) Mercury levels in fish increased from 1.5 mg/mm a year ago to 2.0 mg/mm. b) A waistline shrinks from 36 inches to 32 inches. c) A baby weighs 10 pounds at birth. After 2 months of living, its weight is at 15 pounds. d) A salary increases from $50,000 to $60,000.

  12. Which of the following shows the greatest percent of change? a) Doing 60 jumping jacks to 80 jumping jacks. b) Donald Trump's income of $10,000,000 increasing to $12,000,000. c) Interest levels going from 1.20% to 1.60%. d) A car traveling at a rate of 50 miles per hour increasing to a rate of 70 miles per hour.

  13. Which of the following shows the greatest percent of change? a) A car goes from getting 20 miles of gas per gallon to only getting 17 miles of gas per gallon. b) A car goes on sale from $28,000 to $24,000. c) An athlete runs 1 mile in 9 minutes. After lots of training, she runs the mile in 8 minutes. d) A business executive gets a raise from $70,000 to $78,000.

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