SOLUTION: Darla is playing a computer game to help her learn about science. Her scores for the first six games were 9, 12, 10, 8, 14, and 15. How many points does she need to earn on the

Question 938698: Darla is playing a computer game to help her learn about science. Her scores for the first six games were 9, 12, 10, 8, 14, and 15.
How many points does she need to earn on the next game so that her average score for all games is 12 points?
4
11.3
12
16

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x How many points does she needs on the next game
(9+ 12+ 10+ 8+ 14 + 15 + x)/7 = 12
x = 84 - (9+ 12+ 10+ 8+ 14 + 15 )
x = 16
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