Question

The ratio of dogs to cats at the pet store is 1:2. There are 15 dogs.How many cats are there

Answer 1

x=30and y=15..

Explanation:

let,1x&2y

and, x=15+y

now,1x=2y

or, 1(15+y)=2y

or, 15+y=2y

or, 15=2y-y

or, y=15

now,putting the value of y

x=15+y

x=15+15

x=30

hope it helps tou