Ratios and Proportions Review

Ratio - A ratio compares two quantities. Ratios can be simplified just like fractions. 6 5
3 3 = 15 18 Simplify - 4 10 6 5 = = 2 10 25 18 8 = = When two ratios are set equal to each other they form a proportion. Two ratios are said to be proportional is their cross products are equal. Does 3 x 24 = 9 x 8? 3 8 = ? 24 9 15 15 x 45 = ? yes or no? 18 6 = 6 x ? = ? 7 7 x 2 = ? yes or no? 6 21 = 21 x ? = ? |

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