SOLUTION: You have one more math test. Here are your present scores: 89 , 92 , 78 , 83 , 83 . What score must you get to raise the mean to 85?

Question 899533: You have one more math test.
Here are your present scores:
89 , 92 , 78 , 83 , 83 .
What score must you get to raise the mean to 85?
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
There are going to be 6 tests in total, all averaging out to be 85. So the sum of these tests is 85*6 = 510
These tests are 89+92+78+83+83+x, where x represents the 6th test.
89+92+78+83+83+x = 510
425 + x = 510
x = 85
He must get a 85%.

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