Solve the System of Equations by Elimination, If a Solution $$\left\{ \begin{array} { l } 8 x + 8 y = 64 \\3 x - 5 y = - 40\end{array} \right.$$

question 72

Multiple Choice

Solve the system of equations by elimination, if a solution exists.
- $$\left\{ \begin{array} { l } 8 x + 8 y = 64 \\3 x - 5 y = - 40\end{array} \right.$$

• A) \(x = 0 , y = 9\)
• B) \(x = - 1 , y = 9\)
• C) No solution
• D) \(x = 0 , y = 8\)

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Definitions:

Total Revenues

The total money received by a company for goods sold or services provided during a certain time period.

Total Costs

The total amount of money spent on producing goods or services, encompassing both constant and fluctuating expenses.

Deadweight Loss

The loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is not achievable.

Perfectly Price Discriminate

A theoretical market condition where a seller charges each buyer their maximum willingness to pay, capturing all potential consumer surplus.