Connor Invested a Total of $ 50,000 in Three

question 34

Essay

Connor invested a total of $ 50,000 in three different investments that yield 5%, 7% , and 10% per year, respectively. The total income per year from the three investments is $ 3,764 . If the income from the 7% 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:

Prefix

A letter or group of letters added to the beginning of a word to alter its meaning or create a new word.

Epi-

A prefix meaning 'upon', 'on', 'over', 'near', or 'at', often used in medical and scientific terminology to denote position or relationship.

Onc/o

A prefix in medical terminology denoting relation to tumors or cancer.

Combining Form

A form used in the construction of medical and scientific terminology, typically a root with a vowel at the end that allows it to be connected to other terms.