Question

Media aricmetica a doua numere pozitive este 15, iar raportul lor este 1supra4. aflati numerele

Answer 1

                                Ma=a+b)/2=15=>S=a+b=30 si

                                a/b=1/4 =>b=4a, inlocuim

                                a+4a=30, 5a=30, a=6  

                                b=4x6=24