In Sam's first 100 matches he won 50% of matches.  In his next 100 games, he won 60% of matches.  How many total matches did he win?
He won 100*.5=<<100*.5=50>>50 matches in his first 100 games
In his next 100 games, he won 100*.6=<<100*.6=60>>60 matches
So in total, he won 50+60=<<50+60=110>>110 matches
#### 110