Using Fractions to Solve Percentage Problems

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There are three ways to solve percentage problems: 1) treat it like a ratio, 2) the 10% method and 3) substitute in a fraction. Today I’d like to talk about that third option.

This is a method that works with a limited number of percentage problems. The problems need to either use the percentages we know the fraction for or the part and whole needs to simplify to a fraction we know the…