Answer :

To determine 66% of 75, follow these steps:

1. First, understand what it means to find a percentage of a number. Finding 66% of 75 means calculating 66 parts out of 100 parts of 75.

2. Express 66% as a decimal to simplify the calculation. 66% can be written as 0.66.

3. Next, multiply the decimal representation of the percentage by the number you are interested in. This involves calculating [tex]\( 0.66 \times 75 \)[/tex].

4. Carry out the multiplication to find the result.

After performing these steps, you will find that 66% of 75 is equal to 49.5.

Therefore, the correct answer is:
D. 49.5