If 12V=3W, and v(not equal)=0, then which of the following is equivalent to 2W-8V?

A.0
B.4W
C.-6W
D.2V
E.-2V
please show work.

2 answers

This makes absolutely no sense to me, certainly not as a math problem. It makes no sense to me as an electrical engineer, either.
I suppose we could do this ....

12V = 3W
V = 3W/12 = W/4

then 2W - 8V
= 2W - 8(W/4)
= 2W - 2W
= 0