[tex]\left \{ {{x+y=70} \atop {4x=y}} \right. \\x+4x=70\\5x=70\\x=14\\4*14=y\\y=56\\[/tex]
x-1 театр
у-2 театр
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[tex]\left \{ {{x+y=70} \atop {4x=y}} \right. \\x+4x=70\\5x=70\\x=14\\4*14=y\\y=56\\[/tex]
x-1 театр
у-2 театр