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A one-cup serving of spaghetti with meatballs contains 260 Cal (calories) and 32 g of carbohydrates. A one-cup serving of chopped iceberg lettuce contains 5 Cal and 1 g of carbohydrates. (Source: Home and Garden Bulletin No. 72, U.S. Government Printing Office, Washington, D.C. 20402) how many servings of each would be required in order to obtain 400 Cal and 50 g of carbohydrates? |
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