3 girls walk into a bar. A redhead, a brunette and a blond. The bartender says may I help you. The red head says "CL" The bartender says "CL?" The redhead says Duh! Coors Light? The brunette says "BL" The bartender says "BL?" The brunette says Duh! Bud light? The blonde says "15" The bartender says "15?" The blonde says Duh! 7 and 7?