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 :)