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Khilona earned scores of 97, 73 and 88 r...

Khilona earned scores of 97, 73 and 88 respectively in her first three examinations. If she scored 80 in the fourth examination, then her average score will be

A

increased by 1

B

increased by 1 . 5

C

decreased by 1

D

decreased by 1 . 5

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