Question

Suma a doua nr este380 iar diferenta lor este de 3 ori mai mare decat nr cel mic .care sunt nr

Answer 1

[tex]a+b=380 \\ a-b=3b \Longrightarrow a=4b \\ 4b+b=380 \\ 5b=380 \\ \boxed{b=76} \\ a=380-76 \\ \boxed{a=304}[/tex]

Answer 2

[tex]a+b=380\\ a-b=3b=>a=3b+b=>\boxed{a=4b}\\ Inlocuim:\\ 4b+b=380\\ 5b=380\\ b=380:5\\ \boxed{b=76}\\ a=380-76\\ \boxed{a=304}.[/tex]