A: 88% of white pigeons is equal to 88% * 25 = 204 white pigeons. 80.5 % of gray pigeons is equal to 80.5 % * 250 = 208 gray pigeons. Total number of pigeons that returned to the laboratory is 204 + 208 = 329 pigeons. % of total number of pigeons that returned to the laboratory is 329 / 329 = 81.25%. The answer is (E).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:In an animal behavior experiment, 25 tagged white pigeons and 250 tagged gray pigeons were released from a laboratory. Within one week, 88 percent of the white pigeons and 80.5 percent of the gray pigeons had returned to the laboratory. What percent of the total number of pigeons returned to the laboratory? Answer Choices: A)80.5 B)82 C)81.5 D)85 E)81.25