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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The Answer of 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.

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

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