Percent Change, Error, Interest Practice

16 meters to 44.2 meters

• Increase
• Decrease

75 people to 25 people

• Increase
• Decrease 

Sally went to the clearance rack at a department store and found a shirt she wanted to buy.  The shirt was $36.00 and is on sale for $24.00.  What is the percent of the decrease?

• 33%
• 67%
• 50%
• 34%

Ms. Scott receives a basket of apples at her door every Friday morning.  Last Friday, there were 5 apples in the basket.  This Friday, there were 8 apples in the basket.  What is the percent of increase in the number of apples in the basket?

• 38%
• 63%
• 60%
• 167%

Ms. Scott receives a basket of apples at her door every Friday morning.  Last Friday, there were 5 apples in the basket.  This Friday, there were 8 apples in the basket.  What is the percent of increase in the number of apples in the basket?

• 38%
• 63%
• 60%
• 167%

Tickets to Disney World are $100. The price is going to increase on January 1. What is the percent of change if the cost increases to a $120?

• 25%
• 18%
• 20%
• 50%

In 1999, the price of unleaded fuel was $1.09.  In 2015, the price of unleaded fuel is $1.89.  What is the percent change?

• 173% increase
• 73% increase
• 73% decrease
• 27% increase

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%
• Increase 19%
• Decrease 24%
• Decrease 19%

Find the percent error. You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• 20%
• 25%
• 30%
• 18%

You estimate that 200 people attend a school concert. The actual attendance was 240.   What is the percent error?

• 20%
• 18%
• 16%
• 17%