Question
The average score of Gavin, Tommy and Nora in the Math exam is 77. Tommy's score is 8 above the average score while Nora's score is 10 below the average score. How many marks does Gavin receive for the Math exam?
2 m

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The average score of Gavin, Tommy and Nora in the Math exam is 77. Tommy's score is 8 above the average score while Nora's score is 10 below the average score. How many marks does Gavin receive for the Math exam?