Percent Change (Grade 7)

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Percent Change

1. 
Patti bought a pair of jeans that normally cost $40 for a sale price of $24. What was the percent discount?
  1. 40%
  2. 60%
  3. 62.5%
  4. 70%
2. 
Colton scored a 70 on his first history test of the term and a 91 on the second history test. Colton's score increased by what percent?
  1. 10%
  2. 21%
  3. 23%
  4. 30%
3. 
Callie earned $20 babysitting on Friday night. Saturday night she earned $15 babysitting. What was the percent decrease in the amount of money Callie earned babysitting?
  1. 5%
  2. 15%
  3. 25%
  4. 35%
4. 
The average tuition for a four-year public university was $7,613 in 2010. Average tuition increased to $8,244 in 2011. What was the percent increase in tuition from 2010 to 2011?
  1. 6.3%
  2. 7.7%
  3. 8.3%
  4. 9.7%
5. 
A photographer increases the size of a picture by 50%. The image still was not large enough so she increased the image by another 25%. What percent of its original size is the picture now?
  1. 75.0%
  2. 87.5%
  3. 175.0%
  4. 187.5%
6. 
A pencil factory has increased the amount of pencils produced from 1200 to 1500 pencils. What is the percentage of increase?



7. 
Profits of the entire US airline industry decreased from 5.5 billion in 1999 to 2.7 billion in 2000. Find the percent of decrease.



8. 
Susan went shopping for a new shirt. The original price of the shirt was $32.50, but was marked down to $21.13. What was the percent of the discount Susan got on the shirt?



9. 
In 2010 Elmbrook Middle School had 100 students in the eighth grade. In 2011 the number of eighth graders decreased by 10%. The 2012 eighth grade class increased in size by 10% from 2011. How many eighth grade students were enrolled at Elmbrook Middle School in 2012?



10. 
In 2012, the town of Drifthaven had a deer population of 200. Wildlife control expects that the deer population will increase by 5% per year. At this rate, how many deer will Drifthaven have in 2015? Round your final answer to a whole number.



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