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Arada [10]
3 years ago
13

How to add numbers to percentages? For example, 20+300%. I really want to know how to do this but i cant figure out . I really w

ant to cry right now because i cant find anything that can help me! Please some one explain to me well?!!
Mathematics
1 answer:
bearhunter [10]3 years ago
4 0

Answer:

80

Step-by-step explanation:

If your calculator does not have a percent key and you want to add a percentage to a number multiply that number by 1 plus the percentage fraction. For example 25000+9% = 25000 x 1.09 = 27250. To subtract 9 percent multiply the number by 1 minus the percentage fraction. Example: 25000 - 9% = 25000 x 0.91 = 22750.

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