Question 616910
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Hi,
 Prepare 2 L of a 35% alcohol solution using a 70% alcohol and a 15% alcohol
           alcohol  = alcohol
  .70x + .15(2L-x) = .35*2L
            .55x = .70-.30
               x = .40/.55 = .73L of 70%alcohol and  1.27L of 15%alcohol