SOLUTION: 100% + 85%+ his third test all divided by 3 should equal 64%

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Question 1054696: 100% + 85%+ his third test all divided by 3 should equal 64%
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(100 + 85 + x)/3 = 64
x = 192 - 185
x = 7%