 
 <translate> (x*3*1)/100 + [(4000 - x) *5*1]/100 = 144 3x/100 + 200 - 5x/100 = 144 2x/100 = 56 Ã ̈ x = 2800 Ìdáhùn: (A). <hau> (x*3*1)/100 + [(4000 - x) *5*1]/100 = 144 3x/100 + 200 - € <unk> 5x/100 = 144 2x/100 = 56 × x = 2800 Amsar ita ce: (A). 