Question 418488
85x.4=34
m+n=85
.72m+.25n=35
72m+25n=3400
25m+25n=2125
47m=1275
m=1275/47=27.13
n=57.87
Misty needs 27.13 oz. of 72% acid and 57.87 oz. of 25% solution..