Points: 0 of 1 Save A one-cup serving of spaghetti with meatballs contains 260 calories and 32 grams of carbohydrates. A one-cup serving of chopped iceberg lettuce contains 5 calories and 1 gram of carbohydrates. Determine how many servings of each would be required to obtain 400 calories and 50 grams of carbohydrates. How many serving(s) of spaghetti would be required? | (Round to the nearest tenth.) How many serving(s) of iceberg lettuce would be required? (Round to the nearest tenth.)