In a group of dogs and their owners, there are exactly 20 heads and 64 legs. How many dogs are in the group
1 answer:
Answer:
If we assume that everyone in the group is an owner, we would have
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.
24 ÷ 2 = 12.
There are 12 dogs in the group.
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