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 55

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)

---

Definitions:

Contingency Funds

Reserved money set aside by organizations or projects to address unforeseen events or emergencies that may incur additional costs.

Risk Profile

A risk profile is a quantified analysis of the types of threats an organization, asset, project, or individual faces, focusing primarily on the risk exposure level.

Political Risk

The potential for losses or adverse effects on company operations and profitability due to political changes or instability in a country.

Global Projects

Projects that involve stakeholders, teams, and impacts across multiple countries or worldwide.