A farm has only sheep and geese. It has a total of 58 animals and a total of 150 legs on the animals. How many sheep and geese are on the farm?

Answer 1

s + g = 58

4s + 2g = 150
or
2s + g = 75

subtract them:
s = 17
then g = 41

there are 17 sheep and 41 geese