Question

daca x supra y=2 supra 3,atunci raportul 3x-y supra 2x+y este egal cu

Answer 1

$\frac{x}{y} = \frac{2}{3} \ \textless \ =\ \textgreater \ \frac{x}{2} = \frac{y}{3} =k \\ x=2k \\ y=3k \\ \frac{3x-y}{2x+y} = \frac{6k-3k}{4k+3k} = \frac{3k}{7k} = \frac{3}{7}$