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The population of deer in a forest is currently 800 individuals. Scientists predict that this population will grow at a rate of 20 percent per year.

Based on this prediction, about how many years will it take for the population to double in size?

Use the equation P = P.(1 + r)

in which Po represents the initial population size, rrepresents the growth rate, trepresents the number

of years, and Prepresents the final population size.

A.

5.0 years

B.

1.8 years

OC. 0.3 year

OD.

3.8 years

Sagot :

fichoh

Answer:

35 years

Step-by-step explanation:

Given that:

Current deer population, P0 = 800

Growth rate = 20% yearly

For the population to double in size, P = 2 * P0 = 2 * 800 = 1600

t = number of years

Using the relation :

P =P0(1 + r)^t

1600 = 800(1 + 0.2)^t

1600 / 800 = (1.02)^t

2 = (1.02)^t

t = log2 / log(1.02)

t = (0.3010299 / 0.0086001)

t = 35.003069

t = 35 years

thornthegreat

Answer:

3.8

Step-by-step explanation:

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