Hello My Friend!
15 is what percent of 20 - 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 20 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 20, so we can write it down as 100%=20.
4. We know, that x% equals 15 of the output value, so we can write it down as x%=15.
5. Now we have two simple equations:
1) 100%=20
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:
100%/x%=20/15
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for 15 is what percent of 20
100%/x%=20/15
(100/x)*x=(20/15)*x - we multiply both sides of the equation by x
100=1.33333333333*x - we divide both sides of the equation by (1.33333333333) to get x
100/1.33333333333=x
75=x
x=75
Now we have:
15 is 75% of 20
^^^^^The Answer^^^^^
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