Decrease by a Percentage

Front

What does it mean to decrease a number by a percentage?

Back

To decrease a number by a percentage means to reduce its value by a certain fraction of that number, calculated as a percentage of the original value.

Front

How do you calculate the sale price after a percentage discount?

Back

Sale Price = Original Price - (Original Price × Discount Percentage)

Front

If an item costs $100 and is on sale for 20% off, what is the discount amount?

Back

Discount Amount = $100 × 0.20 = $20

Front

What is the sale price of an item originally priced at $80 with a 25% discount?

Back

Sale Price = $80 - ($80 × 0.25) = $60

Front

What is 20% of 25?

Back

20% of 25 = 0.20 × 25 = 5

Front

If you decrease 60 by 50%, what is the result?

Back

Result = 60 - (60 × 0.50) = 30

Front

What is the result when 44 is decreased by 75%?

Back

Result = 44 - (44 × 0.75) = 11

Front

How do you find the percentage decrease from an original price to a sale price?

Back

Percentage Decrease = ((Original Price - Sale Price) / Original Price) × 100%.

Front

If an item costs $50 and is on sale for 10% off, what is the sale price?

Back

Sale Price = $50 - ($50 × 0.10) = $45

Front

What is the formula to calculate the final price after applying a percentage discount?

Back

Final Price = Original Price × (1 - Discount Percentage)