Solving for Unknown Percentages Using Various Methods

This video tutorial teaches how to solve for unknown percentages using three methods: bar model, table, and proportion. It includes examples such as calculating gratuity percentage, height increase percentage, and percent error in density. The tutorial emphasizes the flexibility of the proportion method and the suitability of bar models and tables for simpler numbers.

How do you calculate the percent error in Bianca's measurement of nickel's density?

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What method would you use to solve for an unknown percentage when dealing with complex numbers?

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Summarize the key learning points from the lesson on solving for unknown percentages.

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