intro to percents
summary
the content provides a comprehensive guide on understanding and converting percents, decimals, and fractions, essential for gre prep.
- percents are fundamentally fractions or decimals, with the term originating from the latin 'per centum', meaning per 100.
- converting between percents and decimals involves moving the decimal point two places, with the direction dependent on the conversion.
- changing percents to fractions is straightforward by placing the percent over 100 and simplifying if necessary.
- converting fractions to percents can be more complex and often requires converting the fraction to a decimal first.
- approximating percents from fractions or division is a useful skill, especially for the gre, and involves strategic multiplication for easier conversion.
chapters
00:00
introduction to percents
01:17
converting percents to decimals
02:38
converting fractions to percents
04:02
approximating percents from fractions
