"A team of hunters, a team of dogs, two teams walk a team. 360 heads and 890 legs. " Think about it, how many hunters and hounds are there?
Hunter x, dog y, and then
{ x+y = 360°
{ 2x+4y=890
Solving binary linear equations
{ 2x+2y=720
{ 2x+4y=890
2y= 170
y=85
x=360-85=275
So hunter 275, dog 85.