Percent Error/ Percent Increase and Decrease

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%

• 2500%

• 20%

• 80%

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

• 21.02%

• 17.27%

• 17.4%

• 21%

Jeremy went to the store and bought a bag of chips. He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package. What was his percent error?

• 35%

• 67%

• 85%

• 92%

Kennedy estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.

• 15%

• 20%

• 25%

• 30%

Davionte estimates that there will be 230 people who attend the concert. There was an actual total of 300 people who attended. Find the percent error.

• 23%

• 27%

• 33%

• 37%

In one year Angelica’s height went from 60 inches to 63 inches. What was the percent of increase in Angelica’s height?

• 0.05%

• 4%

• 4.8%

• 5%

A Toyota Sienna sells for $41,899. A year later, the value is $36,469. What is the percent change to the nearest tenth of a percent?

• 12% increase

• 13% decrease

• 12% decrease

• 13% increase

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

• 35%

• 25%

• 30%

• 20%

Find each percent increase. Round to the nearest percent.

From 13 friends to 14 friends

• 1%

• 8%

• 13.5%

• 20%