To find 40 percent of 25, you can follow a simple calculation. First, convert the percentage into a decimal by dividing 40 by 100. This gives you 0.4. Next, multiply 0.4 by 25:
0.4 x 25 = 10
So, 40 percent of 25 is 10. This calculation can be useful in various situations, such as determining discounts or finding parts of a whole.