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Wade has a test score of 77% on his first test and 65% on his second test. What must he score on a third test to have an average of 80% overall? 93% 98% 89% None of these choices are correct.
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Wade has a test score of 77% on his first test and 65% on his second test. What must he score on a third test to have an average of 80% overall?

93%
98%
89%
None of these choices are correct.

User Santosh Ghimire
by
4.1k points

1 Answer

5 votes

Answer: 98%

Explanation:

  • The third test score = x


(77+65+x)/(3) =80\\(142+x)/(3) =80\\142+x=80*3\\x=240-142=98

User Braden Best
by
4.3k points
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