Given the balance scales below, which weight would balance with last scale?
Blue square = 11
Green triangle = 7
Red circle = 5
The last balance =11 + 7 + 5 = 23
+36916 Add first and third ones 2s + c + t = 34
now subtact second one - c - t to get 2s = 22 so s = 11
s = 11 and c + t = 12 total 23
