Answer:
510 gorillas
Step-by-step explanation:
In this problem, the population of gorillas is decreasing at a rate of 3.5 % per year.
We can write an expression for the population of gorillas as follows:
where
n(t) is the number of gorillas after t years
is the number of gorillas at t = 0
r is the grow rate of the population
t is the number of years
Here we have:
is the number of gorillas when t = 20 years
is the grow rate of the population
So the equation becomes:
And solving for , we find the initial number of gorillas:
Answer:
Fraction: 1 / 20
Decimal: 0.05
Step-by-step explanation:
Fraction Answer:
step 1: convert the percent to a fraction which would be 5 / 100
step 2: find the greatest common factor which is 5
step 3: divide 5 / 5 = 1
step 4: divide 100 / 5 = 20
step 5: write your new simplified fraction
Decimal Answer:
step 1: convert the percent into a decimal which is 0.05
step 2: write your new decimal answer
Answer:
Its the second option
Step-by-step explanation: