SOLUTION: JIM HAS GOTTEN SCORES OF 60 AND 97 ON HIS FIRST TWO TESTS. WHAT SCORE MUST HE GET ON HIS THIRD TEST TO KEEP AN AVERAGE OF 75 OR GRATER ?

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Question 69952: JIM HAS GOTTEN SCORES OF 60 AND 97 ON HIS FIRST TWO TESTS. WHAT SCORE MUST HE GET ON HIS THIRD TEST TO KEEP AN AVERAGE OF 75 OR GRATER ?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(60+97+X)/3=75
60+97+X=3*75
157+X=225
X=225-157
X=68 OR GREATER FRADE IS NEED ED IN THE THIRD TEST TO MAINTAIN AN AVERAGE OF 75 OR GREATER.
PROOF
(60+97+68)/3=75
225/3=75
75=75