Draw the Venn diagram: The 3 most common colors in the 193 flags of the member nations of the UN are Red, White and Blue. 52 flags contain all 3 colors 103 flags contain both red and white 66 flags contain both red and blue 73 flags contain both white and blue 145 flags contain red, 132 flags contain white, 104 flags contain blue.
1) How many flags contain none of the 3 colors
2) how many flags contain red and white but not blue?