Question

numerele x si y suny direct proportionale cu 3 si respectiv 5.aflati cele doua numere daca 2x-y=2. Va rog frumos.

Answer 1

[tex](x,y)d.p.(3,5)\Rightarrow \frac{x}{3}=\frac{y}[5}=k\Rightarrow x=3k,y=5k\\ 2x-y=2\\ 6k-5k=2\Rightarrow \bold{k=2}\\ x=3k\Rightarrow \bold{x=6}\\ y=5k\Rightarrow \bold{y=10}\\ Numerele\ cautate\ sunt\ 6\ si\ 10.[/tex]