Which equation will solve the following word problem? The Internet service company charges $21.00/month for basic service. They want to raise the rate by 5%. How much will the Internet service charge for basic service increase after they raise their rates?

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

42

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)