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GMAT Problem Solving (PS) | Re: A baseball team won 45 percent of the first 80 games it played. How ma

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Bunuel wrote:

A baseball team won 45 percent of the first 80 games it played. How many of the remaining 82 games will the team have to win in order to have won exactly 50 percent of all the games it played?

A. 36
B. 45
C. 50
D. 55
E. 81


The team won 0.45 x 80 = 36 of its first 80 games. We need to determine how many games must be won in the remaining 82 games such that the team would win 50% of its games. We can let n = the number of games needed to be won.

(36 + n)/162 = 1/2

2(36 + n) = 162

36
...

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