Answer:
4.4
years corresponding to 4 years and 5 months (more or less)
Step-by-step explanation:
Let us set
P
=
25
we get:
25
=
8
e
0.26
t
rearrange:
e
0.26
t
=
25
8
take the natural log of both sides:
ln
[
e
0.26
t
]
=
ln
[
25
8
]
simplify:
0.26
t
=
ln
[
25
8
]
t
=
1
0.26
ln
[
25
8
]
=
4.38
≈
4.4
years corresponding to 4 years and 5 months (more or less)