Rosiile=r=De 3x mai multe decat vinetele
Vinetele=v
Ardeii=a=19 mai putin decat rosiile
r+v+a=345kg
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r=3v
v=v
a=3v-19
3v+v+3v-19=345/+19
3v+3v+v=364
7v=364==>v=364:7=52 kg de vinete
r=3*52=156 kg de rosii
a=3v-19=156-19=137 kg de ardei
2.a=4c
b=3c
a+b+c=96
4c+3c+c=96
8c=96=>c=96:8=12
a=4*12=48
b=3*12=36