Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra

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Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

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Khan Academy

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Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

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Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy