In lower classes , we have that chapter of percentage in mathematics. Wee used to love that chapter because that one was easy. This article discusses one of them in both word and code format. Don’t worry if you don;t know about percentages.
The question looks like this. ** is **% of what number?
We can use any number for the given question, but for explanation I am taking 78 as 15% of any number. So the question will become something like that. 78 is 15% of what number?
Now we have to find a number for which the 15% is 78. Let that number be X. Mathematical equation for that will be
When we multiply by 100/15 on both sides we will get our answer. Which in this case is 520.
Now, we will create a simple function in our program for doing that.
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var num = 47;
var perc = 15;
actual = (num*100)/perc;
Here, we created three variables num which is value (in previous example it was 78), perc which is the percentage and actual value (in previous example it was 520). After that we used the same previous calculations for finding the actual value.
Hope this will help.