Notes A ratio is a comparison of two quantities.

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Presentation transcript:

Notes A ratio is a comparison of two quantities. Ratios can be written in several ways. 7 to 5, 7:5, and name the same ratio. 7 5

Additional Example 1: Writing Ratios in Simplest Form Write the ratio 15 bikes to 9 skateboards in simplest form. bikes skateboards 15 9 Write the ratio as a fraction. = 15 ÷ 3 9 ÷ 3 5 3 Simplify. = = 5 3 The ratio of bikes to skateboards is , 5:3, or 5 to 3.

The ratio of shirts to jeans is , 8:3, or 8 to 3. Check It Out! Example 1 Write the ratio 24 shirts to 9 jeans in simplest form. shirts jeans 24 9 Write the ratio as a fraction. = 24 ÷ 3 9 ÷ 3 8 3 = = Simplify. 8 3 The ratio of shirts to jeans is , 8:3, or 8 to 3.