For 9 innings, Alex has an average of 75 runs. In the tenth inning, he scores 100 runs, thus increasing his average . His new average is _____.

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100

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77.5

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Solution

The correct option is D 77.5
Total score for 9 innings is
= average x number of innings
=75×9
= 675
Total score after 10th innings
= 675 + 100 = 775
So, average = 775 / 10
= 77.5

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For 9 innings, Alex has an average of 75 runs. In the tenth inning, he scores 100 runs, thus increasing his average . His new average is _____.

The correct option is D 77.5Total score for 9 innings is = average x number of innings =75×9 = 675 Total score after 10th innings = 675 + 100 = 775 So, average = 775 / 10 = 77.5

The correct option is D 77.5
Total score for 9 innings is
= average x number of innings
=75×9
= 675
Total score after 10th innings
= 675 + 100 = 775
So, average = 775 / 10
= 77.5