80 percent of four hundred Pounds
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 80 percent (%) of four-hundred? 2) 80 is what percent of four-hundred? Or may be: 80 percent of four hundred Pounds?
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 80% of 400?
Always use this formula to find a percentage:
% / 100 = Part / Whole replace the given values:
80 / 100 = Part / 400
Cross multiply:
80 x 400 = 100 x Part, or
32000 = 100 x Part
Now, divide by 100 and get the answer:
Part = 32000 / 100 = 320
2) What is 80 out of 400?
This question is equivalent to: "80 is what percent of 400?" Or What percent 80 is out of 400?
Use again the same percentage formula:
% / 100 = Part / Whole replace the given values:
% / 100 = 80 / 400
Cross multiply:
% x 400 = 80 x 100
Divide by 400 to get the percentage:
% = (80 x 100) / 400 = 20%
A shorter way to calculate x out of y
You can easily find 80 is out of 400, in one step, by simply dividing 80 by 400, then multiplying the result by 100. So,
80 is out of 400 = 80/400 x 100 = 20%
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