Then (8 – x – y) units will be transported to depot
at C (Why )
Hence, we have
x ≥ 0, y ≥ 0
and
8 – x – y ≥ 0
i e x ≥ 0, y ≥ 0     and     x + y ≤ 8
Now, the weekly requirement of the depot at A is 5 units of the commodity