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Online Calculators > Math Calculators
18 is 80% of What Number?
18 is 80% of What Number? - 18 is 80% of 22.50. 100% of 22.50 is 22.50, therefore 80 percent of 22.50 equals 18.
To learn how to solve 18 is 80 percent of what number, see the step by step instructions below.
| Formula = |
Number x 100
Percent |
= |
18 x 100
80 |
= 22.50 |
Following shows the steps on how to derive this formula and find out 80% of what number is 18.
Step 1: If 80% of a number is 18, then what is 100% of that number? Setup the equation.
Step 2: Solve for Y
Using cross multiplication of two fractions, we get
80Y = 18 x 100
80Y = 1800
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