The average score of a group of students in a test is 64. If 20% stude – McqOptions

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1.	The average score of a group of students in a test is 64. If 20% students obtained an average score of 91 and 25% students obtained an average score of 31, then what is the average score (correct to one decimal place) of the remaining students?
A.	71.2
B.	69.2
C.	70.5
D.	68.7
Answer» C. 70.5

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