Podcast
Questions and Answers
What is 25% expressed as a fraction?
What is 25% expressed as a fraction?
If you scored 18 out of 60 on a test, what percentage did you achieve?
If you scored 18 out of 60 on a test, what percentage did you achieve?
A store is offering a 15% discount on a jacket that costs $80. What will be the final price of the jacket after the discount?
A store is offering a 15% discount on a jacket that costs $80. What will be the final price of the jacket after the discount?
Which of the following ratios represents a 60% success rate in an event where 500 trials were conducted?
Which of the following ratios represents a 60% success rate in an event where 500 trials were conducted?
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If a car's value decreases by 20% after one year and it originally cost $25,000, what will be its value after one year?
If a car's value decreases by 20% after one year and it originally cost $25,000, what will be its value after one year?
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Study Notes
Expressing Percentages as Fractions
- 25% is equivalent to the fraction 1/4.
Calculating Percentages
- A score of 18 out of 60 represents a 30% success rate.
- This is calculated by dividing the score (18) by the total marks (60) and multiplying the result by 100.
Discounts and Final Prices
- A 15% discount on a $80 jacket equates to a $12 discount.
- The discount amount is calculated by multiplying the original price ($80) by the discount percentage (15%).
- The final price of the jacket after the discount is $68.
- This is calculated by subtracting the discount amount ($12) from the original price ($80).
Representing Success Rates
- A 60% success rate in 500 trials can be represented by the ratio 300:500.
- This ratio implies that 300 trials out of 500 were successful.
Calculating Value Depreciation
- A 20% decrease in the value of a $25,000 car equates to a $5,000 depreciation.
- This is calculated by multiplying the original price ($25,000) by the depreciation percentage (20%).
- The car's value after one year will be $20,000.
- This is calculated by subtracting the depreciation amount ($5,000) from the original price ($25,000).
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Description
Test your knowledge on percentages and fractions with this quiz. You'll tackle problems related to expressing percentages as fractions, calculating percentages from scores, and understanding discounts. Perfect for reinforcing math skills and concepts.