Soup a recipe that yields 12 cups of soup calls for 28 ounces of beef broth. How many ounces of beef broth do you need to make 18 cups of the soup? Number of cups 12 18 ounces of beef broth 28.

One method you can use to solve this problem is by setting up a proportion.

12 cups/28 oz = 18 cups/? oz

You'll want to cross multiply 28 by 18, which equals 504. Then divide 504 by 12 and you'll get the answer 42 ounces of beef broth.