Vincen Legendary Member View User Profile Posts: 2898 Joined: Thu Sep 07, 2017 2:49 pm Thanked: 6 times Followed by:5 members If \(A + B = 5, B + C = 4,\) and \(C + D = 6,\) then \(AB + CD + AC + BD\) is: by Vincen » Sun Feb 14, 2021 1:43 pm Timer 00:00 Your Answer A B C D E Global Stats If \(A + B = 5, B + C = 4,\) and \(C + D = 6,\) then \(AB + CD + AC + BD\) is: A) 11 B) 12 C) 15 D) 28 E) 48 Answer: D Source: Economist Top Quote
