Hi solving by elimination 0.05x+0.25y=11 0.15x+0.05y=12 -0.01x -0.05y= -11/5 |dividing 1st EQ thru by -5 to eliminate y 0.15x +0.05y= 12 .14x = 9.8 x = 70 and y = 30 (12-10.5)/.05 = 30 CHECKING our Answer*** .05*70 + .25*30 = 3.5 + 7.5 = 11