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Chapter 6 Ratio and Proportion - HUFSD

When two quantities have the same unit of measure, their ratio has no unit of measure. A rate, like a ratio, is a comparison of two quantities, but the quantities may have different units of measuresand their ratio has a unit of measure. For example, if a plane flies 1,920 kilometers in 3 hours, its rate of speed is a ratio that compares the distance traveled to the time that the plane was in