Answer:
[tex]\boxed{\text{822 h}}[/tex]
Step-by-step explanation:
[tex]\begin{array}{rcl}\text{Time in hours} \times \text{Dollars per hour} & = & \text{Total earnings}\\\text{Time in hours} \times 10.25 & = & 8425\\\text{Time in hours} & = & \dfrac{8425}{10.25}\\\\& \approx & 822\\\end{array}\\\text{You would have to work about $\boxed{\textbf{822 h}}$ to earn \$8425}[/tex]