Then w1= e 21rt1= (blv1) 2rt1= (bllt1) 2rt1= b2l2rt/kloc-0.
Similarly, W2=B2L2Rt2.
∴ w1:w2 = T2: t1= 0.9: 0.3 = 3:1,that is, W 1=3W2.
So choose C.