Respuesta :

x is time spent walking the dog, y is the time washing cars

[tex]x + y \leqslant 20 \\ 7.5x + 6y \geqslant 92[/tex]
mjawando

Let x=dog-walking job

Let y= car was attendant

Inequality: 7.50x+6y>92

Inequality: x+y<20