Solve the System by the Method of Substitution $\left\{ \begin{aligned}\frac { 1 } { 5 } x + \frac { 1 } { 2 } y & = 8 \\x + y & = 21\end{aligned} \right.$

question 5

Multiple Choice

Solve the system by the method of substitution. $\left\{ \begin{aligned}\frac { 1 } { 5 } x + \frac { 1 } { 2 } y & = 8 \\x + y & = 21\end{aligned} \right.$

• A) \(\left( \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)\)
• B)(25, 38)
• C) \(\left( - \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)\)
• D) \(\left( \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)\)
• E)(-25, -38)

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Definitions:

Product Costs

Costs that are directly associated with the manufacturing of goods, including materials, labor, and overhead.

Direct Materials Used

The actual amount of raw materials consumed in the production process of goods.

Work in Process Inventory

Inventory that includes all unfinished goods being manufactured at a given time.

Merchandise Inventory

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