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4 Cards in this Set
- Front
- Back
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Percent
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A percent is a ratio that describes a part of 100. So, 50 percent, written 50% means 50 per hundred.
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To compare ratios
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write each ratio with a denominator of 100. Then compare the percents.
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To find the percent increase or decrease
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find the amount of change by subtracting the new value and the original value. Then write a proportion and solve.
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Percent change
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Percent change describes the size of the change. If the new amount is larger, it is a percent increase. If the new amount is smaller, it is a percent decrease. A percent change is always base on the original amount.
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