Ronald is making hats and scarves for charity. he has enough yarn to make 5 hats and 8 scarves. it takes him 12 hours to knit a hat and 6 hours to knit a scarf; he has 20 hours to knit. let x represent the number of hats made. let y represent the number of scarves made. which inequalities are among the constraints for this situation? select each correct answer. y≤8y≤8 5x+8y≤205x+8y≤20 12x+6y≤2012x+6y≤20 x+y≤20x+y≤20 x≤5