A wolf population increases with a growth constant of 0.278 year. After 5.00 years, (a) by what factor has the population increased?

Don't be concerned because you do not know the initial population. It is only the ratio of final to initial populations (ie. N/) that really matters. If this ratio were 7, then it would mean that be population had increased by a factor of 7.
From this information you should be able to calculate N/.
Do the calculation before going on to the solution.

(b) by what percentage has it increased?

From part (a), we know that for every animal at the beginning, there will be 4.01 animals after 5 years. This gives us an increase of 3.01.

This gives us (3.01/1)(100) = 301%
So, the wolf population had a 301% increase.

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