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Fractions and Percents

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Lesson Description:

Students learn to write percents as fractions and fractions as percents. For example, to write 6% as a fraction, remember that percent means "out of 100", so 6% can be written as the fraction 6/100, which reduces to 3/50. So 6% can be written as the fraction 3/50. To write 7/10 as a percent, set up the proportion 7/10 = x/100, then use cross products to get (7)(100) = (10)(x), or 700 = 10x, and dividing both sides by 10, 70 = x. So 7/10 can be written as 70%.