Question

ex.8,please,dau coroana,doar d,e si f

Answer 1

[tex]d) \frac{0,3n-1}{6} = \frac{1,(6)}{5}\\ 1,5n-5=6* \frac{5}{3} \\ 1,5n-5=10\\ 1,5n=15\\ n=10\\ e) \frac{8}{0,2n-3} = \frac{2}{0,25} \\ 2=0,4n-6\\ 8=0,4n\\ n=20\\ f) \frac{0,(3)}{2} = \frac{0,5n-1}{9} \\ 3=n-2\\ n=5\\[/tex]