Question 1074574
According to the question, we have:
21=94-(94-0.6)e^-rx
93.4e^-rx=73
e^-rx=0.781585
ln e^-rx=ln 0.781585
-0.21x=-0.24643190408640580783666309806954
x=1.173485257554313370650776657474 years as the age of the fish. &#9786;&#9786;&#9786;&#9786;