BSEPboy BSEPboy

27-06-2016
Mathematics

Answered

average after 8 test is 91%. if he gets a 78% on his 9th test what will be the new acerage

Verified Answer :

Anonymous Anonymous

27-06-2016

All you need to do is add te averages together then divide them by 2.

91%+78%=169%

169%÷2=84.5%

So the new test average is 84.5%

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