Eddie is correct about his prediction. A coin has two sides, one head, one tail, so there is a 50% chance that it will land heads every time Eddie flips the coin. I would tell Eddie that his prediction is reasonable and mathematically correct.
        
             
        
        
        
Answer:
If we assume that everyone in the group is an owner, we would have
 legs.
 legs.
 legs
 legs
Therefore, we need 24 more legs.
These 24 additional legs can be made from the difference of legs between the owners and dogs.
In this case, dogs have  more legs than an owner.
 more legs than an owner.
24 ÷ 2 = 12.
There are 12 dogs in the group.