A School Is Trying to Determine a Nutritional Diet to Feed

question 19

Multiple Choice

A school is trying to determine a nutritional diet to feed its students.The school would like to offer some combination of milk and beans.The school's objective is to minimize cost,subject to meeting the minimum nutritional requirements of protein,calcium,and calories.The cost and nutritional content of each food,along with the minimum nutritional requirements are shown here. $$\begin{array} { | l | l | l | l | } \hline \text { Nutrient } & \begin{array} { l } \text { Kidney } \\\text { Beans }\end{array} & \text { Tofu } & \begin{array} { l } \text { Minimum Daily } \\\text { Requirement }\end{array} \\\hline \text { Cost per pound } & \$ 0.90 & \$ 1.50 & \\\hline \begin{array} { l } \text { Calcium in units per } \\\text { pound }\end{array} & 15 & 6 & 30 \\\hline \text { Protein in units per pound } & 10 & 10 & 40 \\\hline \begin{array} { l } \text { Calories in units per } \\\text { pound }\end{array} & 3 & 9 & 18 \\\hline\end{array}$$ At the optimum solution,which of the following statements is true?

• A)The number of calories contributed by tofu is equal to that provided by kidney beans.
• B)The number of calories contributed by tofu is less than that provided by kidney beans.
• C)The number of calories contributed by tofu is more than that provided by kidney beans.
• D)The number of calories contributed by tofu is double that provided by kidney beans.

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Definitions:

Computer Models

Simulations created on computers to mimic or predict complex real-world phenomena, widely used in various scientific disciplines, including weather forecasting, climate change studies, and engineering.

Subducted Plates

Tectonic plates that are forced underneath another plate into the Earth's mantle at convergent boundaries.

Core-Mantle Boundary

The distinct boundary between the Earth's solid silicate mantle and its liquid iron-nickel outer core, located approximately 2,900 kilometers below the Earth's surface.

Material Rises

The upward movement of substances due to thermal buoyancy, tectonic forces, or other mechanisms within the Earth's mantle or crust, or in atmospheric or aquatic contexts.