Question

Maria a cumparat 2 kg banane , pentru care a platit 12 lei . Cat ar fi platit daca ar cumpara 3 kg

Answer 1

$2kg(banane)=12 lei \\ \\ 1kg(banane)=12:2=6lei \\ \\ 3kg(banane)=6*3=18lei \\ \\ \\ \dfrac{3*12}{2}= \dfrac{36}{2} =18$