Unranked vs Plat in 5vs5

Riot pls stop run agains unranked versus platinium or any rank. Because this is not honestly. I am 26 lvl and first i play 5vs5 and in the drugiya otbor other team had plat IV, gold I, silver II,II,III and in my team have only one people who was ranked. Then i play Co-op vs Ai. And only then in my team has some ranked people diamond II and gold III, IV. Riot pls make game more equal