0.01 is what percent of 81 - 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 81 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 100% equals 81, so we can write it down as 100%=81.
4. We know, that x% equals 0.01 of the output value, so we can write it down as x%=0.01.
5. Now we have two simple equations:
1) 100%=81
2) x%=0.01
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:
100%/x%=81/0.01
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 0.01 is what percent of 81

100%/x%=81/0.01
(100/x)*x=(81/0.01)*x       - we multiply both sides of the equation by x
100=8100*x       - we divide both sides of the equation by (8100) to get x
100/8100=x
0.012345679012346=x
x=0.012345679012346

now we have:
0.01 is 0.012345679012346% of 81