Solutions - 5210-04

$$\begin{array}{c}P[\mathrm{Max}(X,Y)>5]=1-{\int }_0^5{\int }_0^5\frac{1}{50}{e}^{-\frac{x}{5}-\frac{y}{10}}dydx\\ \\ \gg \gg 0.7513\end{array}$$