A lecture hall seats 220 people. If 99 people are in the lecture hall, what percentage of the seats are filled?

99/220 = 0.45 The answer is 45% of the seats are filled.

45%

Step-by-step explanation:

To find the percent, we write the information as part/whole:

99/220

Now we convert to a decimal by dividing:

99/220 = 99:220 = 0.45

Lastly, multiply by 100:

0.45 (100) = 45