A lo sal snack food company ask you to develop a healthy trail mix recipe they will sell the trail mix in a 6 serving package the company gives you a list of requirements the ratio of wright of fruits to weight of nuts and or seeds must be 2to 1 the trail mix must have 4 or more ingredients one serving must be between 1 and 2 ounces the cost per serving must be between 0.35 and 0.50