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Start learning 50% faster. Sign in nowAccording to the question, In theatre D, => 70% - 30% = 160 => 40% = 160 => 1% = 4 Number of unsold gold tickets in theatre D = (70/100) × 40 = 2.8 In theatre A, => 70% - 20% = 150 => 50% = 150 => 1% = 3 Number of sold platinum tickets in theatre A = (20/100) × 3 = .6 Required ratio = 2.8: .6 =28:6
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