Solving Ratio and Percent Problems using Proportions

This video tutorial teaches how to solve ratio and percent problems using proportions. It explains the concept of proportions as equivalent ratios and demonstrates how to use multiplication to establish relationships between ratios. The tutorial includes examples, such as calculating the cost of a lunch with gratuity and determining car sales with a percentage increase, to illustrate the application of proportions in real-world scenarios.

How many cars did the salesperson sell this month?

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What is the first ratio in the proportion used to solve the car sales problem?

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