Question 126622
2*.02=.015(2+X)
.04=.03+.015X
.015X=.04-.03
.015X=.O1
X=.01/.015
X=.66 GALLONS OF PURE WATER IS REQUIRED.
PROOF:
2*.02=.015(2+.66)
.04=.015*2.66 
.04=.04