Answer:
It's a property of log() or ln() functions. It's states:

in other word, subtraction of log functions could be combined to a quotient in the log function.
Answer:

Step-by-step explanation:

<h3>Hope it is helpful....</h3>
Answer:
35
Step-by-step explanation:

Solving this ^^ would equal t=35.
It is 100x because 80x100=8,000