Solve the Problem $\$ 3.98$ , Before Tax $\$ 5.59$ , Before Tax

question 353

Multiple Choice

Solve the problem.
-Matt bought 3 pounds of oranges and 2 pounds of apples and paid $\$ 3.98$ , before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid $\$ 5.59$ , before tax. Use this information to set up a matrix equation of the form $\mathrm { AX } = \mathrm { B }$ , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of apples.
Use the fact that for $\mathrm { A } = \left[ \begin{array} { l l } 3 & 2 \\ 4 & 3 \end{array} \right] , \mathrm { A } ^ { - 1 } = \left[ \begin{array} { r r } 3 & - 2 \\ - 4 & 3 \end{array} \right]$ .

• A) \(\$ 0.89\) per pound
• B) \(\$ 0.76\) per pound
• C) \(\$ 0.85\) per pound
• D) \(\$ 0.82\) per pound

Understand the principles of persuasion and how they can be applied to influence audience behavior and attitudes.

Recognize the role and structure of training in skills development and education.

Understand the use of fear and positive messages in persuasion.

Identify and understand the use of analogy and causal reasoning in making arguments.

---

Definitions:

Fasting Blood Sugar

A test that measures the level of glucose in the blood after an individual has not eaten for at least 8 hours, used to assess glucose metabolism and diagnose diabetes.

Pituitary Gland

A small, pea-sized gland at the base of the brain that produces hormones regulating various bodily functions, including growth and metabolism.

Renal Tubules

Renal tubules are microscopic tubes in the kidney where urine is formed after filtration.

Reabsorption

The process by which substances are taken back into the bloodstream from bodily fluids.