Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game. NEW: Ratio and fractions, and ...

Know that you know your whole numbers (整数, zhěng shù) in Chinese, you can talk about rational numbers (有理数，yǒu lǐ shù) in decimals (小数, xiǎo shù), fractions (分数, fēn shù), and percents (百分数, bǎi fēn ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. David Kindness is a Certified Public Accountant (CPA) and an expert in ...