Question 711555
.045X+.02(500-X)=.029*500
.045X+10-.02X=14.5
.025X=14.5-10
.025X=4.5
X=4.5/.025
X=180 GALLONS OF 4.5% IS USED.
500-180=320 GALLONS OF 2% IS USED.
PROOF:
.045*180+.02*320=.029*500
8.1+6.4=14.5
14.5=14.5