Grade 12 Percent Problems Worksheet
This worksheet focuses on advanced percent problems for Grade 12 students, including percentage increase/decrease, compound interest, and real-world applications.
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Grade 12 Percent Problems
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Read each problem carefully and solve for the unknown. Show all your work.
1. A stock increased in value by 15% in one year, then decreased by 10% the following year. If the initial value was $2000, what is the final value of the stock?
2. If you invest $5000 at an annual interest rate of 4% compounded quarterly, the amount after 3 years will be approximately $ .
3. A store offers a 25% discount on a jacket. If the discounted price is $120, what was the original price of the jacket?
$90
$150
$160
$180
4. A 20% increase followed by a 20% decrease results in the original amount.
True
False
5. A company's sales increased by 10% in the first quarter, then decreased by 5% in the second quarter, and finally increased by 12% in the third quarter. If the initial sales were $500,000, what are the sales after the third quarter?
6. The bar graph below shows the percentage of students who chose different extracurricular activities. If 200 students were surveyed in total, how many students chose 'Drama'?
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