Denver — Slater’s 50/50, a full-service restaurant concept known for first creating the 50/50 burger patty made with 50% ground bacon and 50% ground beef, will soon make its Colorado debut. The restaurant will open at in Denver’s RiNo Arts District, located within The HUB, a mixed-use building featuring office, retail and restaurant tenants. Construction is slated to begin in the new year, with doors projected to open in late spring 2020. The Denver expansion will be led by local franchisee Charles Murray. Murray left his 30-year career in investments …