SOLUTION: Ben bowled 140 and 183 in his first two games. What must he bowl in his third game to have an average of at least 170​?

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Question 1096064: Ben bowled 140 and 183 in his first two games. What must he bowl in his third game to have an average of at least 170​?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
[ average ] = [ sum of scores ] / [ number of games ]
Let +x+ = the minimum score he must
get on his 3rd game
--------------------------
+170+=+%28+140+%2B+183+%2B+x+%29+%2F+3+
+510+=+323+%2B+x+
+x+=+187+
He must score at least 187 in the 3rd game