Question # 2 RevisitThe average marks of three classes, A, B, and C

1.	Question # 2 RevisitThe average marks of three classes, A, B, and C are 30, 50, and 70, respectively. If the average marksof classes A and B together is 45, and that of classes B and C together is 65, what is the averagemarks of all the three classes put together?
Answer» ong>Answer: 110 Step-by-step EXPLANATION: avarage AB =45 average bc=65 45+65=110

Question # 2 RevisitThe average marks of three classes, A, B, and C are 30, 50, and 70, respectively. If the average marksof classes A and B together is 45, and that of classes B and C together is 65, what is the averagemarks of all the three classes put together?

Answer»

ong>Answer:

110

Step-by-step EXPLANATION:

avarage AB =45

average bc=65

45+65=110

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Question # 2 RevisitThe average marks of three classes, A, B, and C are 30, 50, and 70, respectively. If the average marksof classes A and B together is 45, and that of classes B and C together is 65, what is the averagemarks of all the three classes put together?​

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Question # 2 RevisitThe average marks of three classes, A, B, and C are 30, 50, and 70, respectively. If the average marksof classes A and B together is 45, and that of classes B and C together is 65, what is the averagemarks of all the three classes put together?