How do you change 3 29 40 to a decimal?

To convert the mixed number 3 29/40 into a decimal, you first need to convert the fractional part into a decimal. Here’s how you can do it:

1. The mixed number consists of a whole number part (3) and a fractional part (29/40).
2. Start by converting the fraction 29/40 into a decimal. You can do this by dividing 29 by 40, which gives you 0.725.
3. Next, add this decimal to the whole number part. So, you add 3 + 0.725.
4. This results in 3.725.

Therefore, 3 29/40 as a decimal is 3.725.