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Three Science classes: A, B, and C, take a test 1. The average score in class A is 83 2. The average score in class B is 76 3. The average score in class C is 85 4. The average score of all students in classes A and B together is 79 5. The average score of all students in classes B and C together is 81 What is the average for all three classes? |
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Answer» Three Science classes: A, B, and C, take a test 1. The average score in class A is 83 2. The average score in class B is 76 3. The average score in class C is 85 4. The average score of all students in classes A and B together is 79 5. The average score of all students in classes B and C together is 81 What is the average for all three classes? |
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