SOLUTION: Maria's scores for two games in bowling were 129 and 144. What must be her lowest score in the next game in order to have an average greater than 140 for the three games?

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Question 61808: Maria's scores for two games in bowling were 129 and 144. What must be her lowest score in the next game in order to have an average greater than 140 for the three games?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(129 + 144 + x)/3 > 140
273 + x > 420
x > 147