Question

a pet store has both dogs and cats. the sum of the numbers of dogs and cats is 39. The difference of the numbers of dogs and cats is 13. there are more dogs than cats. how many cats and dogs are in the pet store​

Answer 1

see below

Explanation:

dogs = x

cats = y

x+y =39

x- y = 13

so add the 2 equations together you get 2x = 52 so x = 26

y = 13