Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the percentage of 120 that is 24?
What is the percentage of 120 that is 24?
- 30%
- 25% (correct)
- 20%
- 15%
If the cost price of an item is $200 and the selling price is $280, what is the profit percentage?
If the cost price of an item is $200 and the selling price is $280, what is the profit percentage?
- 25% (correct)
- 30%
- 20%
- 40%
What is the simplest form of the ratio 12:18?
What is the simplest form of the ratio 12:18?
- 2:3 (correct)
- 1:2
- 4:6
- 3:4
What is the loss percentage if the selling price of an item is $180 and the cost price is $200?
What is the loss percentage if the selling price of an item is $180 and the cost price is $200?
Signup and view all the answers
Which of the following ratios are equivalent?
Which of the following ratios are equivalent?
Signup and view all the answers
Flashcards are hidden until you start studying
Study Notes
Percentage
- A percentage is a fraction with a denominator of 100.
- It represents a part of a whole as a fraction of 100.
- To find a percentage of a number, multiply the number by the percentage divided by 100.
- Example: 25% of 200 = (25/100) × 200 = 50
Profit and Loss
- Profit: The difference between the selling price and the cost price, when the selling price is greater.
- Loss: The difference between the cost price and the selling price, when the selling price is less.
- Formula:
- Profit = Selling Price - Cost Price
- Loss = Cost Price - Selling Price
- Profit Percentage: (Profit / Cost Price) × 100
- Loss Percentage: (Loss / Cost Price) × 100
Ratio and Proportion
- Ratio: A comparison of two quantities by dividing one by the other.
- Proportion: An equality of two ratios.
- Equivalent Ratios: Ratios that have the same value.
- Example: 2:4 is equivalent to 1:2
- Simplest Form of a Ratio: The ratio in its most basic form, where the HCF of the numerator and denominator is 1.
- Example: 4:6 in simplest form is 2:3
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
