Bob bought an investment at $550 and sold it at $723. What was his a
31.5% decrease
b
23.9% decrease
c
23.9% increase
d
31.5% increase

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

could u provide us some answer choices or hmm idk maybe a table for us to anser with ? ?