Question 702980
.50x+.10(1300-x)=.40*1300
.50x+130-.10x=520
.40x=520-130
.40x=390
x=390/.40
x=975 gal. of 50% juice is used.
1300-975=325 gal of 10% juice is used.
Proof:
.50*975+.10*325=.40*1300
487.5+32.5=520
520=520