In a ground there are men and dogs. In all, there are 20 heads and 72 feet. How many men and how many horses are in the ground?
Options
A) 8 men and 14 dogs.  B) 7 men and 14 dogs.  C) 6 men and 14 digs.  D) 5 men and 14 dogs.  E) 4 men and 14 dogs.
6 men and 14 dogs.   Let M = men and D = dogs. We can come up with 2 equations.   M + D = 20   2M + 4D= 72   Solving the 2 equations will give 6 men and 14 dogs.   Answer 6 men and 14 digs.
<result>C</result>
In a ground there are men and dogs. In all, there are 20 heads and 72 feet. How many men and how many horses are in the ground?