Solve a System of Linear Equations in Two Variables Using $$\begin{array} { l } 7 x + 8 y = 4 \\2 x + 3 y = 2\end{array}$$

question 39

Multiple Choice

Solve a System of Linear Equations in Two Variables Using Cramer's Rule
- $$\begin{array} { l } 7 x + 8 y = 4 \\2 x + 3 y = 2\end{array}$$

• A) \(\left\{ \left( - \frac { 4 } { 5 } , \frac { 6 } { 5 } \right) \right\}\)
• B) \(\left\{ \left( \frac { 6 } { 5 } , - \frac { 4 } { 5 } \right) \right\}\)
• C) \(\left\{ \left( - \frac { 5 } { 4 } , \frac { 5 } { 6 } \right) \right\}\)
• D) \(\left\{ \left( \frac { 28 } { 37 } , \frac { 22 } { 37 } \right) \right\}\)

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Definitions:

Activity-Based Costing

is a method of accounting that assigns costs to products based on the activities they require, aiming to provide more accurate product costing.

Activity Rate

The activity rate refers to a predetermined overhead rate used in activity-based costing to allocate costs to products or services based on specific activities.

Predetermined Overhead Rate

A rate calculated before the accounting period begins, used to assign overhead costs to products or job orders based on a relevant activity base such as machine hours or labor hours.

Direct Labor-Hours

The sum of all hours spent by workers who are directly engaged in manufacturing, used as a foundation for distributing labor expenses to products or services.