{х+у=4100
{0.8х+1,1у=3670
{х= 4100-у
0.8(4100-у)+1,1у=3670
3,280-0.8у+1,1у=3670
0.3у= 390
у= 1300
х= 4100-1300=2800
От: (2800;390)
{х+у=4100
{0.8х+1,1у=3670
{х= 4100-у
{0.8х+1,1у=3670
0.8(4100-у)+1,1у=3670
3,280-0.8у+1,1у=3670
0.3у= 390
у= 1300
х= 4100-1300=2800
От: (2800;390)