To convert the mixed number 3 25 into a decimal, you first need to convert it into an improper fraction. The number 3 can be represented as 3/1, and 25 as 25/1.
To combine them, you multiply the whole number (3) by the denominator of the fraction (1), which gives you 3. Then, you add the numerator (25) to this result, resulting in 3 + 25 = 28. Therefore, 3 25 can be written as the fraction 28/1.
Next, to express this as a decimal, you simply divide the numerator (28) by the denominator (1). This gives you 28.0.
So, 3 25 as a decimal is 28.0.