Question 922696
how many milliliters of pure water must be added to 60 milliliters of a 20 percent salt solution to make a 12percent salt solution?
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let x=amt of pure water to be added
20%*60=12%(60+x)
12=7.2+.12x
.12x=4.8
x=40
amt of pure water to be added=40 milliliters