Solve the System of Equations by the Elimination Method $$\begin{array} { c } x + 3 y = 15 \\- 6 x + 4 y = 20\end{array}$$

question 21

Multiple Choice

Solve the system of equations by the elimination method.
- $$\begin{array} { c } x + 3 y = 15 \\- 6 x + 4 y = 20\end{array}$$

• A) no solution
• B) \(( 1,4 )\)
• C) \(( - 5,0 )\)
• D) \(( 0,5 )\)

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Definitions:

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Labor Cost

The total expenditures for wages, benefits, and payroll taxes that employers incur in compensation for the work performed by their employees.

Derived Demand

The demand for a resource; it stems from the demand for the final good the resource helps produce.

Input Demand

The requirement for resources and materials necessary to produce goods and services.