Question

0,3l+ cl= 1l care e raspunsu

Answer 1

$0,3 \ l+? \ cl=1 \ l \\ 0,3 \ l=30 \ cl \\ 1 \ l =100 \ cl \\ \Rightarrow 100 \ cl-30 \ cl=\boxed{70 \ cl}.$

Answer 2

0,3l+x=1l
⇒x=1l-0,3l
⇒x=0,7l
⇒0,7l=70cl;