SOLUTION: Lucinda has quiz scores of 18, 15, 14, 16, and 15 this quarter. What score must she earn on her next quiz to have an average score of 16 for the quarter?

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Question 861867: Lucinda has quiz scores of 18, 15, 14, 16, and 15 this quarter. What score must she earn on her next quiz to have an average score of 16 for the quarter?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi



(18+15+14+16+15 + x)/6 = 16

                  x = 6*16 - 78

                  x = 18