$2)$ Solve problem $1\mathrm{.}9\mathrm{.}4.$ Use the procedure for solving application problems. Explain ideas and all steps of your solution. Use MAPLE to solve the linear system.

Hints:

a$)$ Review Unit $5$ before you start.

b$)$ To type explanation text use text lines.

Comment: Image files of the street pattern are provided in Resources $/$ Assignment $\backslash$& Graded Labs on Brightspace. They can be included in your lab report to improve presentation.