Answer:
30 plants were smaller than 12 cm. 15 plants were taller than 12.7m.
Explanation:
Each part of the box plot is 25%, so 12 is the median, and there's two 25% before it. So we know 25 +25 = 50%. 50% is 30 plants. And then there's 25% after 12.7. So 25% of 60 would be 15.