Question

Un autoturism consuma 4 l de benzina pe o distanta de 50 km. Cati l de bnzina consuma pe o distanta de 200 km ?

Answer 1

4 l ......... 50 km
x l ..........200 km

$\frac{4}{x} = \frac{50}{200}$
$\frac{4}{x} = \frac{1}{4}$
am simplificat
x = 4x4
x = 16 l

Answer 2

$50 \ km=4 \ l \\ 1 \ km=4 \ l:50 \ km \\ 1 \ km=0,08 \ l \\ 200 \ km=0,08 \ l*200 \ km \\\boxed{200 \ km=16 \ l}$