Question

3.cornuri.....5.paini......2300.grame......4
.cornuri....2.paini......1200grame...cate.grame.are.o.paine..si.un.corn

Answer 1

3 cornuri...........5 paini........2 300 g |×2
4 cornuri...........2 paini.........1 200 g |×5

20 cornuri.............10 paini.........6 000 g
6 cornuri................10 paini.........4 600 g
_____________________________ ( - )
14 cornuri..................//...................1 400 g

Aflam cate grame are un corn
1 400 : 14 = 100 g
Aflam cate grame au 3 cornuri
3 × 100 = 300 g
Aflam cate grame are o paine
(2 300 - 300 ) : 5 = 2 000 : 5 = 400 g