Writing systems of inequalities word problem | Mathematics I | High School Math | Khan Academy

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Sal models a word problem about baking cupcakes and muffins by creating a system of linear inequalities.

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

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