Seth at 1 - 1/2 - 1/3 = 1/6 of the sandwich.
Therefore the ratio is:
1/2 : 1/3 : 1/6
Multiply everything by 6:
3: 2: 1 D
It takes the faster pump 12 minutes to fill the tank.
Since the faster truck can produce 60% more than the other truck. 60% of 20 minutes is 12.
Answer:
2,973
Step-by-step explanation:
The black bear population B(t), in the park is modeled by the following function:

Where t is the time(in years) elapsed since the beginning of the study.
We want to determine the black bear population in 25 years time, t=25.

There will be 2,973 black bears in 25 years time.
This might be wrong but I got .024806509
I don't know if you wanted it rounded but I hope this might have helped.