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Percent Problem

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Percent Problem

by DCJ » Thu Jul 30, 2009 12:30 pm
After winning 50 percent of the first 20 games it played, Team A won all of the remaining games it played. What was the total number of games that Team A won?

(1) Team A played 25 games altogether
(2) Team A won 60% of all the games it played
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Source: — Data Sufficiency |
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by truplayer256 » Thu Jul 30, 2009 12:42 pm
Statement 1: .5*20=10 games won. If the team played 25 games altogether, then there were 5 remaining games and Team A won all of these. Team A won a total of 10+5 or 15 games. SUFFICIENT.

Statement 2: Let x= the number remaining games and the number of remaining games that Team A won.

10+x/20+x=3/5

50+5x=60+3x

2x=10

x=5

Team A won a total of 10+5 or 15 games. SUFFICIENT.

D
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