The ratio of dogs to cats at an animal shelter is 3 to 2. How many dogs are at the shelter if there is a total of 30 animals?

3 answers

3x = # dogs
2x = # cats

3x+2x = 30
...
Since the ratio is 3 dogs to 2 cats, its a total of 5 animals

Therefore to find the number of dogs if a total of 30 animals are present you take

(3/5) x 30
12??? I honestly don't know.