Percent Word Problems II

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 calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 800, calculate 800 * 0.20.

Front

What does it mean to find 1% of a value?

Back

Finding 1% of a value means calculating one hundredth of that value. For example, 1% of $450 is $4.50.

Front

How do you determine what percentage one number is of another?

Back

To determine what percentage one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percentage 5 is of 25, calculate (5/25) * 100.

Front

What is the formula for calculating the discount amount during a sale?

Back

The discount amount can be calculated using the formula: Discount Amount = Original Price x (Discount Percentage / 100).

Front

How do you calculate the final price after a discount?

Back

To calculate the final price after a discount, subtract the discount amount from the original price. Final Price = Original Price - Discount Amount.

Front

What is the relationship between percentages and fractions?

Back

Percentages can be converted to fractions by placing the percentage over 100 and simplifying. For example, 25% = 25/100 = 1/4.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 15% as a decimal is 0.15.

Front

What is the significance of 70% off in a sale?

Back

A 70% off sale means that you pay only 30% of the original price. To find the sale price, multiply the original price by 0.30.

Front

How can you find the total number of students who scored a certain percentage in a class?

Back

To find the total number of students who scored a certain percentage, multiply the total number of students by the percentage (in decimal form). For example, for 20% of 25 students, calculate 25 * 0.20.