What is 19.95 percent of 399 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 399 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 399 is 100%, so we can write it down as 399=100%.
4. We know, that x is 19.95% of the output value, so we can write it down as x=19.95%.
5. Now we have two simple equations:
1) 399=100%
2) x=19.95%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
399/x=100%/19.95%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 19.95% of 399

399/x=100/19.95
(399/x)*x=(100/19.95)*x       - we multiply both sides of the equation by x
399=5.0125313283208*x       - we divide both sides of the equation by (5.0125313283208) to get x
399/5.0125313283208=x
79.6005=x
x=79.6005

now we have:
19.95% of 399=79.6005