Respuesta :
Answer:
Step-by-step explanation:
The general formula for continuous exponential growth is A=A0•ert, where A0 is the initial amount, t is the elapsed time, and r is the rate of growth or decay. For this problem, r=0.005, so the formula is A=A0•e0.005t.
Since we want to know how long it takes of the amount to be 275% of the original amount, we can state that A=2.75A0. Substituting that into our formula gives us 2.75A0=A0•e0.005t. Dividing by A0 yields 2.75=e0.005t.
At this point we need to take the natural logarithm of both sides:
ln(2.75)=ln(e0005t)
ln(2.75)=0.005t
t=ln(2.75)/0.005, which is approximately equal to 202.3
We round up to 203 years.
The time it will take for the pride's population to reach 275% of its current size is 202 years.
What is Continuous Compound Interest?
Continuous compounding is the potentially endless number of periods in which compound interest may be calculated and reinvested into an account's balance.
[tex]A =Pe^{rt}[/tex]
where,
A is the principal amount after t number of years,
r is the rate at which the principal is been compounded, and P is the principal amount.
Given that the growth rate of the lion is 0.5% per year. Therefore, the time it will take for the pride to reach 275% of its current size is,
[tex]A =Pe^{rt}\\\\2.75P = Pe^{0.005 \times t}\\\\2.75 = e^{0.005 \times t}[/tex]
ln 2.75 = 0.005 × t
t = 202.32 ≈ 202
Hence, The time it will take for the pride's population to reach 275% of its current size is 202 years.
Learn more about Continuous Compound Interest:
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