You are responsible for buying a week's supply of food for the dogs and cats at a local shelter, Pawsitively Pets. The cost of food for each dog is twice as much as for a cat. You need to feed 16 cats and 10 dogs. Your budget is $720. How much can you spend on each dog for food? How much can you spend on each cat for food? how would you set up this problem in a system of equations