84/25
If you need an explanation, comment below. :)
Dilation and reflection
-multiplication of - =reflection
example -(x)
-multiplication of any number other than 1=dilation
example 3x
-addition/subtraction inside the function=horizontal translation
Example (x-3)
-addition/subtraction outside the function=vertical translation
Example x-3

divide both sides by 32000

take the ln of both sides

using the property that


divide both sides by ln(0.8)

use calculator
7.00728=t
so in about 7 years
B
Answer:
16
Step-by-step explanation:
40 divided by 2.5 equals 16