Percent Change Word Problems

You purchased a computer for $940 using a coupon. If the original cost of the computer was $1,000 what percent discount did you use?

• 6%

• 0.06%

• 60%

• 94%

You currently have 252 stamps in your collection. Last year, you had 80 stamps. By what percent did your stamp collection increase in comparison to last year?

• 32%

• 2.15%

• 215%

• 315%

You paid $129.85 for a pair of shoes. They were originally priced at $140. What percent discount was applied to the shoes?

• 0.725%

• 7.25%

• 72.5%

• 15%

In the first half of the game, your team scored 50 points. During the second half, the points scored increased to 59. By what percent did the points scored increase?

• 0.18%

• 18%

• 0.22%

• 22%

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%

• Decrease 50%

• Increase 1%

• Decrease 1%

A tank of water starts the day with 12 gallons. By the end of the day, the tank of water has 8.4 gallons. What was the percent of change of the water in the tank?

• 30% increase

• 30% decrease

• 70% increase

• 70% decrease

A student scored 70% on a test and then improved to score 84% on the next test. What is the percent increase in the student's score?

• 14%

• 16%

• 20%

• 24%

• 13%

• 15%

• 17%

• 20%

• 18%

• 20%

• 22%

• 25%

A company produced 600 parts during first shift. The second shift produced 564 parts. What is the percent change from first to second shift?

• 0.1%

• 10%

• 0.06%

• 6%