10. The graph on the right shows the fuel consumption per 100 kilometers for four different types of cars: $U, V, W, X$. If each car has 50 liters of fuel, what is the maximum total distance that these four cars can travel in kilometers?
$\begin{array}{l}\text { Analysis: }(50 \div 20) \times 100+(50 \div 25) \times 100+(50 \div 5) \times 100+(50 \div 10) \times 100 \\ =250+200+1000+500 \\ =1950\end{array}$