Vertaling van "would simply mean that in most cases those ridings would double " (Engels → Frans) :

four as was recommended, annexing the four parcels to existing ridings, would simply mean that in most cases those ridings would double in size and 16,000 people would be added per riding.
divisait en quatre, comme il est recommandé, si on annexait les quatre territoires aux circonscriptions actuelles, dans la plupart des cas, ces circonscriptions doubleraient de taille, et chacune compterait 16 000 habitants de plus.