Respuesta:
1)
[tex]2x - y = 5 \\ x + 2y = 10[/tex]
2)
[tex]100 + 80x \\ 100 + 80(6) \\ 100 + 480 \\ 540[/tex]
Pagará s/. 540
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Respuesta:
1)
[tex]2x - y = 5 \\ x + 2y = 10[/tex]
2)
[tex]100 + 80x \\ 100 + 80(6) \\ 100 + 480 \\ 540[/tex]
Pagará s/. 540