Jose Invested a Total Of $\$ 40,000$ In Three Different Investments That Yield

question 35

Essay

Jose invested a total of $\$ 40,000$ in three different investments that yield $6 \%, 8 \%$ , and $10 \%$ per year, respectively. The total income per year from the three investments is $\$ 3,240$ . If the income from the $8 \%$ investment is half the income of the $10 \%$ investment, what amount did Jose invest in each investment?
(a) Write the system of equations that will solve this problem. Do not solve.
(b) Write the system as a matrix equation $A X=B$ . Do not solve.

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Definitions:

Extracellular Matrix

A complex network of proteins and carbohydrates surrounding cells, providing structural and biochemical support.

Intracellular Matrix

This is not a real key term. Intracellular components are usually referred to as cytoplasm or intracellular fluid; the term "extracellular matrix" refers to the substance surrounding cells. NO.

Tissue

Groups of similar cells and their extracellular matrix that work together to perform specific functions within organisms.

Neurons

The basic working units of the brain, specialized cells that transmit information to other nerve cells, muscle, or gland cells.