Răspuns :
Răspuns:
[tex] \frac{2n}{n + 16} = \frac{5}{9} \\ 2n \times 9 = 5(n + 16) \\ 18n = 5n + 80 \\ 13n = 80 \\ n = \frac{80}{8
13}
Răspuns:
2/(n+16)=5/9
5(n+16)=2n·9
5n+80=18n
80=18n-5n
n=80/13
Răspuns:
[tex] \frac{2n}{n + 16} = \frac{5}{9} \\ 2n \times 9 = 5(n + 16) \\ 18n = 5n + 80 \\ 13n = 80 \\ n = \frac{80}{8
13}
Răspuns:
2/(n+16)=5/9
5(n+16)=2n·9
5n+80=18n
80=18n-5n
n=80/13