[tex]x + y + z = x+2480 \\
x = \frac{1}{5} *z =\ \textgreater \ z = 5x \\ y = 3x \\ \\ x + 3x+5x = x + 2480 \\ 9x = x+2480 \\ 9x -x = 2480\\ 8x=2480\\ x = \frac{2480}{8} \\ x = 310 \\ \\ z=5 * 310 \\z=1550\\ \\ y = 3 *310 \\ y = 930[/tex]
R:
x = 310
y = 930
z = 1550