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A Psychologist Studying the Effects of Nutrition on the Behavior

Question 67

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A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​
A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​
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If the diet requires 53 g per day of A, A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​ g per day of B, and A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​ g per day of C, find the number of grams per day of each food that must be used.​


A) ​ A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​
B) ​ A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​
C) ​ A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​
D) ​ A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​
E) ​ A psychologist studying the effects of nutrition on the behavior of laboratory rats is feeding one group a combination of three foods: I, II, and III. Each of these foods contains three additives, A, B, and C, that are being used in the study. Each additive is a certain percentage of each of the foods as follows: ​ ​ If the diet requires 53 g per day of A, g per day of B, and g per day of C, find the number of grams per day of each food that must be used.​ A) ​ B) ​ C) ​ D) ​ E) ​

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