The Picture-Perfect Art Museum displayed a large mobile that was made up of circles and squares. The ratio of circles to squares was 2 to 1. The mobile had 27 shapes in all. How many circles and squares were there?
+36916 2 out of (2+1) were circles 2/3 of the total were circles the rest were squares
2/3 * 27 = circles = 18
the rest are squares = 27 - 18 = 9 squares
