#### Answer

South Korean won 14 medals.
Russian Federation won 15 medals.
Austria won 16 medals.

#### Work Step by Step

Let x represent South Korean wins.
x+1 represents Russian wins.
x+2 represents Austrian wins.
x+(x+1)+(x+2)=45
3x+3=45
3x=42
x=14
South Korean won 14 medals.
Russian Federation won 15 medals.
Austria won 16 medals.