SOLUTION: Ed scored 16, 18, 12, and 23 points in the first four basketball games of the season. How many points must he score in the 5th game to have an average of 18 points per game?

Question 575616: Ed scored 16, 18, 12, and 23 points in the first four basketball games of the season. How many points must he score in the 5th game to have an average of 18 points per game?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
your given average equation is as shown below

this is interpreted from adding up all the scores dividing by the number of scores to get the average of the scores.
solve for x, add like terms
multiply by 5
subtract 69

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