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 240 calories and 30 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.)
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Let x be the number of servings of spaghetti and y be the number of servings of iceberg lettuce. The total calories equation is: 260x + 0y = 240 The total carbohydrates equation is: 32x + 1y = 30 Now, let's solve the system of equations. From the first Show more…
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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 240 calories and 30 gram of carbohydrates
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Nutrition. 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 $5 \mathrm{Cal}$ and $1 \mathrm{g}$ 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 to obtain $400 \mathrm{Cal}$ and $50 \mathrm{g}$ of carbohydrates?
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