Percentages

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of a whole is being considered.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply the result by 100.

Front

What is the formula to calculate a percentage of a number?

Back

The formula to calculate a percentage of a number is: (Percentage / 100) * Total Number.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the part by the whole and multiply by 100.

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages, fractions, and decimals are different ways of expressing the same concept of a part of a whole. A percentage is a fraction with a denominator of 100, and it can be converted to a decimal by dividing by 100.

Front

How do you calculate a discount on an item?

Back

To calculate a discount, multiply the original price by the discount percentage (as a decimal) and subtract that amount from the original price.

Front

If an item costs $200 and is on sale for 25% off, what is the sale price?

Back

The sale price is $150. (Calculation: $200 - ($200 * 0.25) = $150).

Front

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

Back

Final Price = Original Price + (Original Price * Percentage Increase).

Front

How do you calculate the percentage increase from one value to another?

Back

Percentage Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is the percentage decrease from 80 to 60?

Back

Percentage Decrease = ((80 - 60) / 80) * 100 = 25%.