Percent and Ratio

The video tutorial explains the concept of percent, which means per 100, and how it can be represented using a symbol. It introduces ratios as a way to compare two quantities and demonstrates how a percent can be expressed as a ratio in three different ways. The tutorial provides examples of converting percentages like 53% and 35% into ratios and emphasizes the importance of simplifying fractions. It also includes practice exercises for converting 73% and 80% into ratios, highlighting the need to simplify when necessary.

What is the greatest common factor and how is it used in simplifying fractions?

Write 73% as a ratio in three different ways.

Explain how to simplify the fraction 80/100.