How to determine if two ratios are equivalent

The video tutorial explains how to determine if two ratios are equivalent by using a multiplier. It demonstrates the process of multiplying both terms of a ratio to see if they match another ratio, confirming their equivalence. The example used involves multiplying the terms of the ratio 8:72 by 9 to match the ratio 72:81, showing they are equivalent. The tutorial concludes with a reference to a textbook problem.

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