SOLUTION: How many liters of water must Sharon add to 5 liters of a soap and water mixture which is 36% soap to create a solution which is 12% soap?

Question 1080096: How many liters of water must Sharon add to 5 liters of a soap and water mixture which is 36% soap to create a solution which is 12% soap?

Answer by ikleyn(52782) (Show Source): You can put this solution on YOUR website!
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I can solve it without using equations: Sharon must add 10 liters of water.


Then the total volume will be 5 + 10 = 15 and the soap concentration will be


 =  =  = 0.12 = 12%.   (Since  = 0.36, according to the condition)

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