Grade 12 Percent Word Problems
A worksheet for Grade 12 students to practice solving complex percent word problems involving discounts, interest, and population changes.
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Grade 12 Percent Word Problems
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Date:
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Read each problem carefully and solve for the unknown. Show all your work. Round your answers to two decimal places where appropriate.
1. A store is having a 25% off sale on all items. If a jacket originally costs $80, what is the sale price?
2. An investment grew from $500 to $575 in one year. What is the percentage increase in the investment's value?
3. A shirt is marked up by 40% from its cost. If the cost of the shirt was $25, its selling price is .
4. After a 15% discount, a pair of shoes costs $68. The original price of the shoes was .
5. A town's population was 15,000 in 2010. If the population increased by 8% by 2020, what was the population in 2020?
16,000
16,200
16,500
17,000
6. Sarah invests $2,000 in an account that earns 4% interest compounded annually. How much money will she have after 3 years? (Use the formula A = P(1 + r)^t)
7. If an item's price increases by 10% and then decreases by 10%, its final price will be the same as its original price.
True
False
8. A car dealership offers a 10% discount on a car, and then an additional 5% discount on the discounted price. If the original price of the car was $30,000, what is the final price of the car?
9. The bar graph below shows the sales of a company over three quarters. Calculate the percentage increase in sales from Q1 to Q2, and the percentage decrease from Q2 to Q3.
Percentage increase from Q1 to Q2:
Percentage decrease from Q2 to Q3: