A glass of skim milk supplies 0.1 mg of iron, 8.5 g of protein, and 1 g of carbohydrates. A quarter pound of lean red meat provides 3.4 mg of iron, 22 g of protein, and 20 g of carbohydrates. Two slices of whole grain bread supply 2.2 mg of iron, 10 g of protein, and 12 g of carbohydrates. If a person on a special diet must have 9.1 mg of iron, 62.5 g of protein, and 53 g of carbohydrates, how many glasses of skim milk, how many quarter-pound servings of meat, and how many two-slice servings of whole grain bread will supply this?

Question

A glass of skim milk supplies 0.1 mg of iron, 8.5 g of protein, and 1 g of carbohydrates. A quarter pound of lean red meat provides 3.4 mg of iron, 22 g of protein, and 20 g of carbohydrates. Two slices of whole grain bread supply 2.2 mg of iron, 10 g of protein, and 12 g of carbohydrates. If a person on a special diet must have 9.1 mg of iron, 62.5 g of protein, and 53 g of carbohydrates, how many glasses of skim milk, how many quarter-pound servings of meat, and how many two-slice servings of whole grain bread will supply this? ​

Quizplus · Accepted Answer

The requirements of 9.1 mg of iron, 62.5 g of protein, and 53 g of carbohydrates are exactly met with 1 glass of milk (0.1 mg iron, 8.5 g protein, 1 g carbohydrates), 2 servings of meat (6.8 mg iron, 44 g protein, 40 g carbohydrates), and 1 serving of bread (2.2 mg iron, 10 g protein, 12 g carbohydrates), totaling 9.1 mg iron, 62.5 g protein, and 53 g carbohydrates.

A Glass of Skim Milk Supplies 0