Question

daca a/b =0,1(6) aflati valoarea raportului 5a+b/7a-b Dau coronita ,va rog,e urgent

Answer 1

$\frac{a}{b}= \frac{1}{6}$

b=6a

$\frac{5a+b}{7a-b}= \frac{5a+6a}{7a-6a}= \frac{11a}{a}=11$