Question

Daca x/y=3/5,y= 0, atunci 4x+6y/x+y=........

Answer 1

$\frac{x}{y} = \frac{3}{5} =k$
x=3k
y=5k
$\frac{4*3k+6*5k}{3k+5k} = \frac{12k+30k}{8k} = \frac{32k}{8k} =4$