Question 160385
.14X+.07(280-X)=.13*280
.14X+19.6-.07X=36.4
.07X=36.4-19.6
.07X=16.8
X=16.8/.07
X=240 POUNDS OF SOYBEAN IS USED.
280-240=40 POUNDS OF CORNMEAL IS USED.
PROOF:
.14*240+.07*40=.13*280
33.6+2.8=36.4
36.4=36.4