Answer:
It is the third option
Step-by-step explanation:
ln(xy)=ln(x)+ln(y)
ln(x/y)=ln(x)−ln(y)
ln(xy)=yln(x)
use these three rules, first separate the fraction out to log( , then take the exponent and root out to make
C
7 7 / 1 7 x 3 21
--- = ---------- = ------------- = --------- = 21 miles per gallon
1/3 1 / 3 1 x 1 1
You can see by the image how did I get the answer