Respuesta :
[tex]123.00\ for\ 20\ hours\\
x\ for\ 31\ hours\\\\
proportion:\\
123.00-20\\
x-31\\\\cross\ multiplication\\
123.00*31=20x\\
20x=381.300\ \ \ | divide\ by \ 20\\
x=190.65\\\\
For\ 31\ hours\ pay\ is\ 190.65\$.[/tex]