Venn Diagram Sol'n9-10
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Venn diagram (sol’n) 9
Venn diagram (sol’n) 10 a) how many people have Green marbles? 20 + 11 + 5 + 12 = 48 b) how many people have only Green marbles? 20 c) how many people have Red or Blue marbles? Red = 34 + 11 + 8 + 5 = 58 Blue = 44 + 12 + 8 + 5 = 69 Total = 58 + 69 - 13 (we don't want to add = 114 the 13 people who have both Red and blue twice) d) how many people have Red but no Blue marbles?
Venn diagram (sol’n) 10 a) how many people have Green marbles? 20 + 11 + 5 + 12 = 48 b) how many people have only Green marbles? 20 c) how many people have Red or Blue marbles? Red = 34 + 11 + 8 + 5 = 58 Blue = 44 + 12 + 8 + 5 = 69 Total = 58 + 69 - 13 (we don't want to add = 114 the 13 people who have both Red and blue twice) d) how many people have Red but no Blue marbles?
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