SOLUTION: How many liters of water must be added to 10 liters of a 36% soap solution to make it a 12% soap solution?

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Question 838298: How many liters of water must be added to 10 liters of a 36% soap solution to make it a 12% soap solution?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

How many liters of water must be added to 10 liters of a 36% soap solution (64% water) 

to make it a 12% soap solution (88% water)?

Let x represent the liters of water added

          water = water

 .64%2A10+%2B+x+=+.88%2810%2Bx%29

 .12x+=+.24%2A10

     x+=+%28.24%2A10%29%2F.12+  x = 20L of water must be added