Answer
Find out the how many dogs are spaniels .
To prove
As given
at the dog show,there are 4 times as many boxers as spaniels.
Let us assume that the spaniels dogs = x
Let us assume that the boxers dogs = 4x
As given
There are a total of 30 dogs.
Than the equation becomes
x + 4x = 30
5x = 30

x = 6
Therefore the number of spaniels dogs be 6 .
The number of boxers dogs = 4 × 6
= 24