If a population adds 20 new individuals per y | vedclass

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(D) The population growth is given by the formula: $N_t = N_0 + (B 	imes t)$,where:$N_t$ is the population after time $t$.$N_0$ is the initial popula

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$35$

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(D) The population growth is given by the formula: $N_t = N_0 + (B 	imes t)$,where:$N_t$ is the population after time $t$.$N_0$ is the initial population.$B$ is the number of new individuals added per year (birth rate/addition rate).$t$ is the time in years.Given:$N_t = 75$$B = 20$$t = 2$Substituting the values:$75 = N_0 + (20 	imes 2)$$75 = N_0 + 40$$N_0 = 75 - 40$$N_0 = 35$Therefore,the initial population size was $35$.

If a population adds $20$ new individuals per year and the total population after $2$ years is $75$,what was the initial population size?

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