What is 31.1 percent of 77 - step by step solution

Simple and best practice solution for 31.1% of 77. 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 77 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 77 is 100%, so we can write it down as 77=100%.
4. We know, that x is 31.1% of the output value, so we can write it down as x=31.1%.
5. Now we have two simple equations:
1) 77=100%
2) x=31.1%
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:
77/x=100%/31.1%
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 31.1% of 77

77/x=100/31.1
(77/x)*x=(100/31.1)*x       - we multiply both sides of the equation by x
77=3.2154340836013*x       - we divide both sides of the equation by (3.2154340836013) to get x
77/3.2154340836013=x
23.947=x
x=23.947

now we have:
31.1% of 77=23.947

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