Question

81 is 18% of what number?


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Answer 1

450

Explanation:

18% of 450 is 81. 100% of 450 is 450, therefore 18 percent of 450 equals 81. To learn how to solve 81 is 18 percent of what Number, see the step by step instructions below.

Answer 2

450

Explanation:

Formula = Number x 100

Percent = 81 x 100

18 = 450

Following shows the steps on how to derive this formula

Step 1: If 18% of a number is 81, then what is 100% of that number? Setup the equation.

81

18% = Y

100%

Step 2: Solve for Y

Using cross multiplication of two fractions, we get

18Y = 81 x 100

18Y = 8100

Y = 8100

100 = 450