# Chapter 9 - Measurement - 9.1 Measuring Length; The Metric System - Exercise Set 9.1 - Page 584: 48

80 kilometers per hour

#### Work Step by Step

To convert the following units to the necessary unit, multiply or divide to equivalent values. Since we are converting from miles per hour to kilometers per hour, we multiply the given value by 1.6: 50$\times$1.6=80 kilometers per hour

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