20 lotus plants gain 8 new plants in a year. What is the birth rate per plant?
A0.4 per lotus per year
B0.28 per lotus per year
C2.5 per lotus per year
D0.8 per lotus per year
Answer & Solution
Correct answer: A. 0.4 per lotus per year
Per capita birth rate is 8 new plants divided by 20 existing plants, which gives 0.4.
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