Question 662796
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Hi,
How many ounces{{{highlight(x)}}} of pure water must be added to 60 oz. of a 8% salt solution to make a 3% salt solution?
 water = water
  {{{x + .92*60 = .97(60+x)}}}
         .03x = .05·60 
            x = 100oz
and...
{{{100 + .92*60 = .97*160 =155.2 }}}