To calculate 25 percent of 30, you can use the basic formula for finding a percentage of a number. The formula is:
Percentage (%) = (Part / Whole) * 100
In this case, we are looking for 25 percent, which can also be expressed as 0.25 in decimal form. So we can use the following calculation:
25% of 30 = 0.25 * 30
Now, doing the math:
0.25 * 30 = 7.5
Therefore, 25 percent of 30 is 7.5.