Dividing 25 by 0.81

To divide 25 by 0.81, we can follow the steps below:

Step 1: Set up the division
Write the division problem as a fraction, with 25 as the numerator and 0.81 as the denominator.

25 ÷ 0.81

Step 2: Convert the divisor to a whole number
Since dividing by a decimal can be challenging, we can convert the decimal divisor into a whole number by multiplying both the numerator and the denominator by an appropriate power of 10.

0.81 × 100 = 81

So, the division problem becomes:

25 ÷ 81

Step 3: Perform the division
Now, we can perform the division as usual.

Divide 25 by 81:
- Since 25 is smaller than 81, we need to add a decimal point and a zero after the 25 to make it 250.
- Divide 250 by 81. The quotient is the whole number part of the answer.
- Multiply the quotient by 81 to get the product.
- Subtract the product from 250 to get the remainder.
- Bring down the zero from the dividend and repeat the process until we have obtained the desired level of accuracy.

Step 4: Write the answer
Continue the division process until the desired level of accuracy is achieved or until we have obtained enough decimal places.

In this case, dividing 25 by 0.81 results in a recurring decimal, so we can round the answer to a desired number of decimal places, such as two decimal places.

Therefore, 25 ÷ 0.81 is approximately equal to 30.86 when rounded to two decimal places.

Conclusion
To divide 25 by 0.81, we set up the division problem as a fraction, convert the divisor to a whole number, perform the division, and write the answer. In this case, the answer is approximately 30.86 when rounded to two decimal places.