Question

6 BECURI M ICI SI 6 BECURI MARI CONSUMA INTR-O ZI 60 DE KW . IN ALTA ZI , 6 BECURI MICI SI 12 BECURI MARI CONSUMA 96 DE KW . CATI KW CONSUMA INTR-O UN BEC MIC SI CATI UN BEC MARE

Answer 1

a=bec mic,b=bec mare

6a+12b=96 -
6a+6b=60
-----------------
/.......6b=36=>b=36:6=>b=6 kw consuma un bec mare
6a+6x6=60=>6a=60-36=>a=24:6=>a=4 kw consuma un bec mic

Answer 2

96-60=36,6 becuri mari consuma 36 KW rezulta ca 1 bec mare cunsuma 6 KW\60-36=24, 6 becuri mici consuma 24 KW rezulta ca un bec mic consuma 4 KW! Sper ca te am ajutat