[tex]1ton=1,000kg\to19.25\ tons=19.25\cdot1,000\ kg=19,250\ kg\\\\
\begin{array}{ccc}1\ lb&-&0.454\ kg\\\\x\ lb&-&19,250\ kg\end{array}\ \ \ \ \ |cross\ multiply\\\\0.454x=19,250\ \ \ \ \ |:0.454\\\\x\approx42,401\\\\Answer:\ 19.25\ tons\approx42,401\ lbs[/tex]
More precisely.
[tex]1\ kg\approx2.2046\ lb\\\\\text{therefore}\\\\19,250\ kg=19,250\cdot2.2046\ lb=42,438.55\ lb[/tex]
