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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:cc-6th-rates-and-percentages/cc-6th-rates/v/finding-unit-rates Finding a unit rate is a skill often required in real life. How fast is that plane flying? How many lawns can you mow in an ...
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