the grades of a student in his math subject are:88,90 and 94 from first to third grading respectively .What must be his grade in fourth grading period to have an average of 91.75?
A.94
B.94.5
C.95
D.95.5
A.94
B.94.5
C.95
D.95.5
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the grades of a student in his math subject are:88,90 and 94 from first to third grading respectively .What must be his grade in fourth grading period to have an average of 91.75?
A.94
B.94.5
C.95
D.95.5
ANSWER
C.95
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