SOLUTION: in order to pass with an average of 80 or higher, find the minimum score that one must make on the final exam, given that the final counts as two test. They have scores of 85, 68,

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Question 659445: in order to pass with an average of 80 or higher, find the minimum score that one must make on the final exam, given that the final counts as two test. They have scores of 85, 68, and 92 on their past test
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
ok, now if the final exam will count as (2) test grades
85+68+92+155=400 divided by 5 test =average of 80
85+68+92+75=320 divided by( 4 )test average 80
but now if you have to count the final exam as 2 grades there will be 5 test you would have to divide by your total,in that way your test grade will have to be at least 155 to have an average of 80