8.91 is what percent of 28.99 - 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 28.99 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 28.99, so we can write it down as 100%=28.99.
4. We know, that x% equals 8.91 of the output value, so we can write it down as x%=8.91.
5. Now we have two simple equations:
1) 100%=28.99
2) x%=8.91
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%=28.99/8.91
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 8.91 is what percent of 28.99

100%/x%=28.99/8.91
(100/x)*x=(28.99/8.91)*x       - we multiply both sides of the equation by x
100=3.2536475869809*x       - we divide both sides of the equation by (3.2536475869809) to get x
100/3.2536475869809=x
30.734736115902=x
x=30.734736115902

now we have:
8.91 is 30.734736115902% of 28.99