Answer:
swimming: 0,75h
biking: 1,6h
running: 1h
Step-by-step explanation:
 
        
             
        
        
        
Answer:
y = 13
Step-by-step explanation:
Step 1: Distribute
3/2y - 3/2 = y + 5
Step 2: Subtract <em>y</em> on both sides
1/2y - 3/2 = 5
Step 3: add 3/2 on both sides
1/2y = 13/2
Step 4: Divide both sides by 1/2
y = 13
 
        
                    
             
        
        
        
Ok to start you have to put 
2+-1/9 - 4+-1/3
 what exactly is the question because without the proper info. nobody is going to be able to figure it out.