On the plate are pancakes identical in appearance: 3 with cottage cheese, 5 with meat and 4 with caviar and eggs

On the plate are pancakes identical in appearance: 3 with cottage cheese, 5 with meat and 4 with caviar and eggs. Lena randomly chooses one pancake. Find the likelihood that he will be with cottage cheese

Decision:
In total, the plate contains 3 + 5 + 4 = 12 pancakes, 3 of them with cottage cheese. The probability that the selected pancake will be with cottage cheese is 3/12 = 1/4 = 0.25.
Answer: 0.25

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