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Sixth Grade Challenging Math

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6-20)   Answer

                         80.6

Solution:
Find the total score from all the students: 82 x 42 + 79 x 38 = 6446
Divide the total score by the total number of students: 42 + 38 = 80
(82 x 42 + 79 x 38)
(42 + 38) = 6446 80 = 80.6

 

 

 
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