1) 850000................100%
x........................60%
x=850 000*60/100=510000 sunt technica
850 000-510000=340000 rest
340000..............100%
x.........................30%
x=340000*30/100=102000 sunt electrotechnica
340000-102000=238000
238000.................100%
x..........................20%
x=238000*20/100=47600 sunt transportului
238000-47600=190400 de fizica
