Solve the problem.The table shows the amount (in g) of protein, carbohydrate, and fat supplied by one unit (100 g) of three different foods. 
Betty would like to prepare a meal using some combination of these three foods. She would like the meal to contain 15 g of protein, 25 g of carbohydrate, and 3 g of fat. How many units of each food should she use so that the meal will contain the desired amounts of protein, carbohydrate, and fat? Round to 3 decimal places.
A. 0.326 units of Food 1, 0.247 units of Food 2, 0.059 units of Food 3
B. 0.280 units of Food 1, 0.192 units of Food 2, 0.164 units of Food 3
C. 0.302 units of Food 1, 0.238 units of Food 2, 0.085 units of Food 3
D. 0.360 units of Food 1, 0.204 units of Food 2, 0.055 units of Food 3
Answer: A
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