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45% can be represented as 45/100 or 0.45

You ask yourself if 45/100 is 81, what would be the value for 100/110 (which is 1) and you find that by dividing 81 by 45/100, which is the same as dividing 81 by 0.45

Hence the number is 81/0.45 = 8100/45 = 900/5 = 180

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12y ago

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Q: 45 percent of a number is 81 what is my number?
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