Question 838671
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Hi,
25 mL of 18% alcohol(82% water) diluted from 70% alcohol(30% water)
Let x represent the ml of water added to do this
          water = water
 {{{.30*(25-x) + x = .82*25ml
 {{{.70x = .52*25}}}
     {{{x = (.52*25)/.70 }}}