Percent of change practice

Percent Increase or Decrease? 75 people to 25 people

• Increase

• Decrease

Percent increase or Decrease? 16 meters to 44.2 meters

• Increase

• Decrease

The formula for percent of change is:

 $\frac{difference}{original}\cdot100$  

• This is accurate
  

• This is false
  

Is it an increase or decrease?
12 inches to 36 inches

• Increase
• Decrease

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

• Increase 16.67%
• Decrease 16.67%
• Increase 20%
• Decrease 20%

What is the formula for percent of change?

• b x h x 1/2

• change/original

• original/difference

• I = PRT

• None Of The Above

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 $120? (Round to the nearest tenth of a percent when necessary!)

• 25%

• 18%

• 20%

• 50%

In the 6th grade, Miguel read 15 books. In 7th grade, he read 21 books. What was the percent change in the number of books Miguel read from 6th to 7th grade?

• 40% increase

• 40% decrease

• 20% increase

• 20% decrease

A $30 pair of jeans is on sale for $15. What is the percent of change for the pair of jeans?

• 10%

• 15%

• 50%

• 2%

A pair of basketball shoes was originally priced at $80, but was marked up 30%. What was the retail price of the shoes?

• $24

• $110

• $104

• $83