Practice solving ratio word problems like, "If 60 cherries go in 3 pies, how many cherries go in 9 pies?"
Percent literally means "per cent" or "per hundred". Learn how to rewrite fractions as percents and vice versa.
Learn how to solve a variety of word problems involving percentages.
Ratios show up everywhere in life—sports, finance, medicine, cooking, you name it! In this tutorial, we learn what ratios are and how to use them.
Learn about a special type of ratio called a rate. A rate is the ratio of two measurements that have different units such as 10 kilometers per hour or 12 hot dogs per minute!
Learn how to solve percent problems like these: What is 80% of 25? Three is what percent of four?
Decimals and percents are two ways of expressing the same number. For example, 0.5 and 50% mean the exact same thing. Learn how to convert decimals to percents and vice versa.
All video content by Khan Academy is under their license: CC by NC SA
Website created using Khan Academy Static Downloader