2.2.5 Percent Increase and Decrease – Practice
1. Find the percent change from 48 to 228. Tell whether it is a percent increase or decrease. If necessary, round your answer to the nearest percent.
2. Find the percentage change from 350 to 231. Indicate whether it is an increase or a decrease. If necessary, round your answer to the nearest percent.
3. Find the result when 20 is increased by 95%.
4. Find the result when 80 is decreased by 75%.
5. Admission to a theme park is $12. Students receive a 10% discount. What is the amount of the discount? How much would a student pay?
6. The price of a train ticket from Columbus to New York is normally $122.00. However, children under the age of 16 receive a 60% discount. Find the sale price for someone under the age of 16.
7. A bookstore buys Algebra 1 books at a wholesale price of $16 each. It then marks up the price by 83%, and sells the Algebra 1 books. What is the amount of the markup? What is the selling price?
8. An office equipment store buys highlighter pens boxes at a wholesale price of $15 each. It then marks up the price by 94%, and sells the highlighter pens boxes. What is the amount of the markup? What is the selling price?
9. A watch was purchased for $25. The wholesale cost was $16. What percentage was the markup?
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