SOLUTION: The average height of students in a class of 10 is 105 cm. If 20 more students with an average height of 120 cm join the class, what would be the average height of the students of

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Question 897876: The average height of students in a class of 10 is 105 cm. If 20 more students with an average height of 120 cm join the class, what would be the average height of the students of the class ?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
(1050+2400)/30 = avg
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