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GRE 25- In the first half of last year, a team won 60 percent of the games it played...

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In the first half of last year, a team won 60 percent of the games it played. In the second half of last yeas, the team played 20 games, winning 3 of them. If the team won 50 percent of the games it played last year, what was the total number of games the team played last year?


60/ 100 * x + 3 = 50/100 (x + 20)
0.6x + 3 = 0.5x + 10
0.1x = 7
x = 70

So the team played 70 games in the first "half" and "20" games in the second "half'
70 + 20 = 90
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