Renee1996
Renee1996 Renee1996
  • 19-05-2016
  • Mathematics
contestada

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 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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