Originally Posted by **Ray3Ray3** for 5.3 i know that the total current = i and that
A = 3B
C = 2B
then if I say that B = i/6 this means that
B = i/6
A = 3i/6
C = 2i/6
and since i/6 + 3i/6 + 2i/6 = 6i/6 this must be correct |

You are correct, but I think a better presentation would be to say that

i = A + B + C = 3B + B + 2B = 6B

Thus B = i/6, etc.

-Dan