Respuesta :

[tex]\bf \begin{array}{ccll} \${data-answer}amp;hours\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 81.50&1\\ x&2.5 \end{array}\implies \cfrac{81.50}{x}=\cfrac{1}{2.5}\implies \cfrac{81.50\cdot 2.5}{1}=x[/tex]