What is 15 percent of 21.98 - step by step solution

Simple and best practice solution for 15% of 21.98. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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

1. We assume, that the number 21.98 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 21.98 is 100%, so we can write it down as 21.98=100%.
4. We know, that x is 15% of the output value, so we can write it down as x=15%.
5. Now we have two simple equations:
1) 21.98=100%
2) x=15%
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:
21.98/x=100%/15%
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 15% of 21.98

21.98/x=100/15
(21.98/x)*x=(100/15)*x       - we multiply both sides of the equation by x
21.98=6.66666666667*x       - we divide both sides of the equation by (6.66666666667) to get x
21.98/6.66666666667=x
3.297=x
x=3.297

now we have:
15% of 21.98=3.297

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