Kendrick's kennel has 2 spots for cats for every 7 spots for dogs. if he has a total of 144 spots for both cats and dogs, then how many more spots does he have for dogs than cats?

Alright, lets get started.

Kendrick's Kennel has 2 spots for cats for every 7 spots for dogs.

Suppose spots for cats = 2x

So, spots for dogs will be = 7x

Total spots for cats and dogs will be =

Total spots for cats and dogs will be =

As per given in question, total spots for both cats and dogs are 144, so

Dividing 9 in both sides

x = 16

So, spots for cats =

Spots for dogs =

So, spots for dogs more than cats are =

It means he has 80 more spots for dogs than cats.    :    Answer

Hope it will help :)