at a at the local Dairy Farm Karim buys a 32 oz container of yogurt for $2.56 Jonah buys a 6oz container of yogurt for $0.48 are the cost ,y, in dollars and amount of yogurt ,x, proportional?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.