what is the rate of a factor 1.25?

To calculate the rate of a factor, you can use the formula:

Rate = (Factor - 1) * 100%

In this case, the factor is 1.25. So, the calculation would be:

Rate = (1.25 - 1) * 100%
= 0.25 * 100%
= 25%

Therefore, the rate of a factor 1.25 is 25%.