Prealgebra (7th Edition)

$\frac{2}{5}$ =$\frac{x}{25}$ 5$\times$ x = 2$\times$25 set cross products equal 5x = 50 multiply $\frac{5x}{5}$=$\frac{50}{5}$ x=10 Check $\frac{2}{5}$ =$\frac{x}{25}$ $\frac{2}{5}$ =$\frac{10}{25}$ $\frac{2}{5}$ =$\frac{2}{5}$ True 10 is the solution