Bob’s soup uses 18 drops of chili oil for every 4 cups of chicken broth. Yvonne wants her soup to have a weaker chili flavor than Bob’s soup. Which mixture should Yvonne use? A 18 drops of chili oil for every 2 cups of chicken broth B 18 drops of chili oil for every 5 cups of chicken broth

C 20 drops of chili oil for every 4 cups of chicken broth

D 22 drops of chili oil for every 4 cups of chicken broth