daca 2 papusi costa cit 3 masinute, rezulta ca 4 papusi costa cit 6 masinute, stim ca 4 papusi costa 165 lei, inseamna ca 6 masinute costa 165 lei
6 masinute=165 lei
1 masinuta=165:6=27,5 lei, iar 5 masinute=5*27,5=137,5 lei
sper ca corect am rezolvat problema