Question

un album foto costa 20 de lei,iar un ghiozdan costa cat cinci albume.Cat costa 2 ghiozdane?

Answer 1

20x5=100 lei
100x2=200lei(2 ghiozdane)

Answer 2

a=20lei;
g=5a
⇒g=5·20lei
⇒g=100lei[un ghiozdan];
⇒2g=2·100lei=200lei[2 ghiozdane];