What percentage do 65 engines represent of 80 engines?

To determine what percentage 65 engines represent of 80 engines, you can use the percentage formula, which involves dividing the part by the whole and then multiplying by 100. In this case, the part is 65 engines, and the whole is 80 engines.

First, divide 65 by 80:

65 ÷ 80 = 0.8125.

Next, to convert this decimal into a percentage, multiply by 100:

0.8125 × 100 = 81.25.

Rounding 81.25 to the nearest whole number gives you 81%. Therefore, 65 engines represent approximately 81 percent of 80 engines.

This calculation confirms that the correct answer is indeed 81 percent, as indicated in the response.