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    Working with Ratios

    Introduction: 

    If a recipe says, “For every cup of rice, add 2 cups of water,” that’s a ratio. In school, if there is 1 teacher to every 20 students, that’s a ratio, too. A ratio is a handy way to express the relationship between numbers.

    In this lesson you鸿运福彩app下载安装 will:
    • Find out what ratios are and how to write them
    • Learn how to scale up and scale down ratios
    • Reduce ratios to lowest terms
    Skills: 
    Rates and Ratios