Non fresh stew meat and mince meat💔💔

I bought stew meat and mince meat yesterday and both products have funny taste that is about to go off. I cooked the stew yesterday after washing it multiple times as it was a bit slimmy but the taste was not nice. Today I cooked mince and the same taste. Both meat is not fresh and hope the change whatever their are doing before someone gets sick.

Their number is *** Roots Thorntree Soshanguve