What is 10 percent of twenty one Dollars
Percentage Calculator
Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: 1) What is 10 percent (%) of twenty-one? 2) 10 is what percent of twenty-one? Or may be: What is 10 percent of twenty one Dollars?
See the solutions to these problems below.
How to work out percentages - Step by Step
Here are the solutions to the questions stated above:
1) What is 10% of 21?
Always use this formula to find a percentage:
% / 100 = Part / Whole replace the given values:
10 / 100 = Part / 21
Cross multiply:
10 x 21 = 100 x Part, or
210 = 100 x Part
Now, divide by 100 and get the answer:
Part = 210 / 100 = 2.1
2) What is 10 out of 21?
This question is equivalent to: "10 is what percent of 21?" Or What percent 10 is out of 21?
Use again the same percentage formula:
% / 100 = Part / Whole replace the given values:
% / 100 = 10 / 21
Cross multiply:
% x 21 = 10 x 100
Divide by 21 to get the percentage:
% = (10 x 100) / 21 = 47.619047619048%
A shorter way to calculate x out of y
You can easily find 10 is out of 21, in one step, by simply dividing 10 by 21, then multiplying the result by 100. So,
10 is out of 21 = 10/21 x 100 = 47.619047619048%
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