Question 151571
.10X+.02*40=.05(40+X)
.10X+.08=2+.05X
.10X-.05X=2-.8
.05X=1.2
X=1.2/.05
X=24 OZ. OF 10% IS NEEDED.
.10*24+.02*40=.05(40+24)
2.4+.8=.05*64
3.2=3.2