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Average after 8 test is 91%. if he gets a 78% on his 9th test what will be the new acerage
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Jun 27, 2017
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Average after 8 test is 91%. if he gets a 78% on his 9th test what will be the new acerage
Mathematics
high-school
Bryanbcook
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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%
Atomsfat
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Jul 3, 2017
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