Question: Teaching Assistant Paul can grade quizzes for Physics 2 half as fast as Teaching Assistant Bob . Suppose there are 300 quizzes to be graded,

Teaching Assistant Paul can grade quizzes for Physics 2 half as fast as Teaching Assistant Bob . Suppose there are 300 quizzes to be graded, and paul and Bob working together can grade all 300 quizzes in 4 hours. How many hours does it take Bob alone to grade the 300 quizzes

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