SOLUTION: The 1000 gallon tank of water contains 6% salt. How much water do you need to get it down to 4%.

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Question 71604: The 1000 gallon tank of water contains 6% salt. How much water do you need to get it down to 4%.
Found 3 solutions by mathdude123, traxxas_rustler99, jorel1380:
Answer by mathdude123(2) About Me  (Show Source):
You can put this solution on YOUR website!
666 2/3 gallons left

Answer by traxxas_rustler99(1) About Me  (Show Source):
You can put this solution on YOUR website!
I have the answer but I don't know how to set it up for sure can someone help me on that. Thanks.

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
If the 1000 gallon tank of water contains 6% salt, then it's total salt content is 1000 X .06, or 60 gallons. To find out how much water we need to thin that we use Gls. X .04 equals 60. Thus 60/.04 = 1500 is our total gallons. Since we started with 1000 gallons, we need 500 more gallons of pure water to reach our 4% solution.