percent proportion

Front

What is percent proportion?

Back

Percent proportion is a way to express a number as a fraction of 100. It is often used to compare quantities and understand relationships between parts and wholes.

Front

How do you calculate the percent of a quantity?

Back

To calculate the percent of a quantity, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100 = Percent.

Front

If 13 out of 20 bottles are recycled, what percent is that?

Back

65% (calculated as (13/20) x 100).

Front

What is a discount?

Back

A discount is a reduction in the price of a product or service, often expressed as a percentage of the original price.

Front

How do you calculate a discount amount?

Back

To calculate a discount amount, multiply the original price by the discount percentage (as a decimal). Formula: Discount Amount = Original Price x (Discount Percentage/100).

Front

If a book costs $45 and has a 20% discount, how much is the discount?

Back

$9 (calculated as 45 x 0.20).

Front

What does it mean to answer a percentage of questions correctly?

Back

It means to find out how many questions were answered correctly in relation to the total number of questions, expressed as a percentage.

Front

If Kai answered 80% of 20 questions correctly, how many did he get right?

Back

16 questions (calculated as 20 x 0.80).

Front

What is the formula to find the percent given a part and a whole?

Back

Percent = (Part/Whole) x 100.

Front

If Ethan has 500 marbles and gives away 25, what percent did he give away?

Back

5% (calculated as (25/500) x 100).