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This video introduces you to the concept of ratios.

In this course you will learn:

1. What logarithms are.
2. How to apply the log laws.
3. How to simplify logs.
4. How to solve log equations.

Outcome

In this lesson you will learn about:

1. The real number system.
2. Rational and irrational numbers.
3. How to convert terminating decimals to rational numbers. 
4. How to convert recurring decimals to rational numbers.
5. Rounding off decimal numbers.

This YouTube video can help to get deeper understanding on solving ratio and proportion problems.

Outcomes

In this course you will learn about:

1. Ratio and rate.
2. Direct and indirect proportion.
3. Simple interest.

This video explores the different types of numbers which exist.