Question

if np3:np5= 2:1 find n

Answer 1

I hope help you Mr nnj

Answer 2

$\textbf {ANSWER:}$

$\frac{3np}{5np} = 2 \\ \\ = > 3np = 10np \\ \\ = > 10np - 3np = 0 \\ \\ = > 7np = 0 \\ \\ = > n = 0$