For the Following Systems of Equations in Echelon Form, Tell $$\begin{array}{r}x+3 y+4 z=80 \\4 y+5 z=40\end{array}$$

question 69

Multiple Choice

For the following systems of equations in echelon form, tell how many solutions there are in nonnegative integers.
- $$\begin{array}{r}x+3 y+4 z=80 \\4 y+5 z=40\end{array}$$

• A) 2
• B) 4
• C) 3
• D) 5

---

Definitions:

Major Political Parties

The dominant political parties in a political system that have the greatest influence over policy and politics, typically holding the majority of positions in government.

Democracy

A form of government in which power is vested in the hands of the people, who may exercise it directly or through representatives elected by them.

Voters' Decisions

Choices made by eligible individuals during an election to select representatives or on specific referendums.

Recent Elections

Refers to electoral events that have occurred in the near past, often implying a review or analysis of their outcomes and implications.