SOLUTION: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 30 % ​antifreeze?

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Question 1144848: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 30 % ​antifreeze?
Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.

Let x be the total volume, now unknown.  Then


     = 0.3


is the equation for the total volume.


From the equation,


    x =  =  gallons =  gallons.


Hence, you should add   - 1 =  gallons of water.   ANSWER


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