Answer:
 2.4 hr. = time working together
Step-by-step explanation:
Let x = time working together
x/6 = work done by Martin
x/4 = work done by Victor
Martin's part + Victor's part = 1 jog done
x/6 + x/4 = 1  Multiply thru by 12
2x + 3x = 12
5x = 12
x = 2.4 hr.
 
        
             
        
        
        
Can you see it ?
I hope the picture help !
 
        
        
        
Answer:
Step-by-step explanation:
Make 6 1/2 an irrational fraction: 13/2 (I dunno know if its called that )
divide 16 by 2: 8
multiply that by 13: 104
Tell me if this helps or not bc I'm not really sure, but I really hope I helped!