c=caciuli
f=fulare
14 c + 10 f=618 lei
7 c + 24 f= 632 lei | x2
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14 c+10 f=618 lei
14 c + 48 f =1264 lei
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38 f = 646 lei
1 f = 646:38=17 lei
5 f= 17x5=85 lei
14 c + 170 lei= 618 lei
14 c = 618-170=448lei
1 c = 448:14=32 lei
5 c = 32x5=160lei
R: 5 c + 5 f = 85+160=245 lei
12. c= cornuri
p = paine
3 c + 5 p = 2300 g | x2
4 c + 2 p = 1200 g | x5
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6 c + 10 p = 4600 g
20 c + 10 p = 6000 g
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14 c = 1400g
1 c= 1400:14=100 g
4x100 + 2 p = 1200 g
400 + 2 p = 1200
2 p = 1200-400 = 800
1 p = 800:2 = 400 g
R:1 c + 1 p = 100 +400 = 500 g
