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To increase a number by a certain percent, multiply it by (1 + n/100). For example, to increase a number by 15 percent, multiply it by (1 + 15/100), or 1.15. To decrease a number by 15 percent, multiply it by (1 - 15/100), or 0.85.

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โˆ™ 2010-12-09 02:43:27
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Q: How do you find the percent increase in numbers?
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