Introduction To – TheWorksheets.CoM – Page 2

Introduction to Ratios & Proportions - National Center for Women’s ...

A ratio is a comparison of two numbers. If an automotive manufacturer had 3,000 useable parts and 150 scrap parts, the ratio for useable to scrap parts is 3,000 to 150. Ratios can be written in three forms: 3,000 to 150 3,000:150 . 150 3,000 You should always reduce ratios to their lowest terms. The above example would be reduced to: