Question

AFLA CATE GRAME CANTARESTE O CUTIE DE CEREALE SI O CUTIE DE PASTE, STIIND CA DOUA CUTII DE CEREALE SI TREI CUTII DE PASTE CANTARESAC 2160g , IAR PATRU CUTII DE CEREALE SI PATRU PASTE CANTARESC 352 dag

Answer 1

352 dag = 3520 g
2 cutii cereale....3 cutii paste...2160 g /×2
4 cutii cereale.....4 cutii paste...3520 g

4 cutii cereale...6 cutii paste...4320 g
4 cutii cereala....4 cutii paste....3520 g

scadem cele doua relatii
2 cutii paste........800 g
1 cutie paste =800:2=400 g

3 cutii paste=3×400=1200 g
1 cutie cereale=(2160-1200):2=960:2=480 g