2/10=1/5=>1/5x,s-a,scos,prima,data
1/6x,s-a,scos,a,doua,oara
0,0(6)=6/90=2/30=1/15=>1/15x,s-a,scos,a,treia,oara
1/5x+1/6x+1/15x=520
Aducem,la,numitor,comun
6x+5x+2x=15600
13x=15600=>x=1200kg,cantitatea,initiala
Prima,data,s-au,scos,1200/5=240kg
A,doua,oara,s-au,scos,1200/6=200kg
A,treia,oara,s-au,scos,1200/15=80kg