Mathematics, 13.01.2020 18:31 tinyturtles
Of 450 people interviewed, 135 contributed to red house, 180 contributed to blue house, and 180 contributed to yellow house. 27 contributed to red and yellow. 54 contributed to yellow and blue. 45 contributed to red and blue. 63 of the people interviewed contributed to none of the houses. how many contributed to all three houses?
Answers: 1
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Of 450 people interviewed, 135 contributed to red house, 180 contributed to blue house, and 180 cont...
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