Renee1996 Renee1996

19-05-2016
Mathematics

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Cory’s average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?

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kaypaisely kaypaisely

19-05-2016

8*91+78/9 would be an 89.55555 or just 89.56% if you have to round it would be 90%

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