SOLUTION: there are 100 animals in a shleter, some are dogs, some are birds. there are 360 total legs at the shelter. how many of each type of animal are at the shelter?

Question 1159016: there are 100 animals in a shleter, some are dogs, some are birds. there are 360 total legs at the shelter. how many of each type of animal are at the shelter?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
there are 100 animals in a shelter, some are dogs, some are birds. there are 360 total legs at the shelter. how many of each type of animal are at the shelter?
let number of dogs be x
number of birds be y
there are 100 animals in a shelter,
x+y=100
there are 360 total legs
4x+2y=360
divide by 2
2x+y = 180
x+y=100
x+y=100
x=80 (dogs)
20 birds
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