Question
average score of first three test is 90 and average score of two test is 89 what is average score of all five tests
Answers
Reiny
average score of first three test is 90
----> sum of those 3 tests was 270
average score of two test is 89
---> sum of those 2 tests = 178
avg of 5 tests = (270 + 178)/5 = 89.6
----> sum of those 3 tests was 270
average score of two test is 89
---> sum of those 2 tests = 178
avg of 5 tests = (270 + 178)/5 = 89.6