What is 72.5 percent of 42 - step by step solution

Simple and best practice solution for 72.5% of 42. 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 42 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 42 is 100%, so we can write it down as 42=100%.
4. We know, that x is 72.5% of the output value, so we can write it down as x=72.5%.
5. Now we have two simple equations:
1) 42=100%
2) x=72.5%
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:
42/x=100%/72.5%
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 72.5% of 42

42/x=100/72.5
(42/x)*x=(100/72.5)*x       - we multiply both sides of the equation by x
42=1.3793103448276*x       - we divide both sides of the equation by (1.3793103448276) to get x
42/1.3793103448276=x
30.45=x
x=30.45

now we have:
72.5% of 42=30.45

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