SOLUTION: I have 20 gallons of a liquid soap and I want to make a 3% solution. How many gallons of water will it take?

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Question 633327: I have 20 gallons of a liquid soap and I want to make a 3% solution. How many gallons of water will it take?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = gallons of water needed
+20+%2F+%28+x+%2B+20+%29+=+.03+
+20+=+.03%2A%28+x+%2B+20+%29+
+20+=+.03x+%2B+.6+
+.03x+=+19.4+
+x+=+646.667+ gallons of water