Let event G = taking a math class. Let event H = taking a science class. Then, G ∩ H = taking a math class and a science class while G ∪ H = taking either a math class or a science class. Suppose P(G) = 0.34, P(H) = 0.32, and P(G ∪ H) = 0.53. What is P(G|H) ?

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