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If a pond has 40 lotus plants last year and through reproduction 16 new plants are added, taking the current population to 56, what will be the birth rate?

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0.6 offspring per lotus plant per year

0.1 offspring per lotus plant per year

0.5 offspring per lotus plant per year

0.4 offspring per lotus plant per year

answer is C.

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Detailed Solution

Birth rate = Number of births / Initial total
16/40 = 0.4 of spring per lotus per year

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