30 of forty two
Percentage Calculator
Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: 1) What is 30 percent (%) of forty-two? 2) 30 is what percent of forty-two? Or may be: 30 of forty two?
See the solutions to these problems below.
How to work out percentages - Step by Step
Here are the solutions to the questions stated above:
1) What is 30% of 42?
Always use this formula to find a percentage:
% / 100 = Part / Whole replace the given values:
30 / 100 = Part / 42
Cross multiply:
30 x 42 = 100 x Part, or
1260 = 100 x Part
Now, divide by 100 and get the answer:
Part = 1260 / 100 = 12.6
2) What is 30 out of 42?
This question is equivalent to: "30 is what percent of 42?" Or What percent 30 is out of 42?
Use again the same percentage formula:
% / 100 = Part / Whole replace the given values:
% / 100 = 30 / 42
Cross multiply:
% x 42 = 30 x 100
Divide by 42 to get the percentage:
% = (30 x 100) / 42 = 71.428571428571%
A shorter way to calculate x out of y
You can easily find 30 is out of 42, in one step, by simply dividing 30 by 42, then multiplying the result by 100. So,
30 is out of 42 = 30/42 x 100 = 71.428571428571%
To find more examples, just choose one at the bottom of this page.