He can conclude that the system of equations has no solution since one equation in it always results with false equivalency.
Hope this helps.
r3t40
Correct answer is B
10/15=.666
This is RW divided by RT
Now you have to use the scale factor. Multiply by 18 to get WV
18 x 0.666 = 12
Good Luck Thnks for brainiest :)