Răspuns :
10 stofa = 10 matase +180
2stofa + 2 matase =276 | : 2
sofa + matase =138 | x 10
10stofa+10matase=1380
10matase + 180+ 10matase=1380
20matase=1380-180
20matase=1200
matase = 60
stofa=138-60
stofa = 78
sper ca te-am ajutat :3
2stofa + 2 matase =276 | : 2
sofa + matase =138 | x 10
10stofa+10matase=1380
10matase + 180+ 10matase=1380
20matase=1380-180
20matase=1200
matase = 60
stofa=138-60
stofa = 78
sper ca te-am ajutat :3