# Solutions for 4 Must-Know Ratio Math Concepts

Here are the solutions for 4 Must-Know Ratio Math concepts.

You must know them at your fingertips as they are commonly tested in exams.

Make sure you know when to apply each concept by spotting the right keywords.

**1) Constant Part**

**2) Constant Total**

**3) Constant Difference**

**4) Everything Changed**

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