SOLUTION: A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 7% active ingredient, but the pharmacist only has 10% solut

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 7% active ingredient, but the pharmacist only has 10% solut      Log On

 

Hi,

active ingredient = active ingredient, let x reprsent the amount of the 10% solution

  

         .09x = .06*15ml

              of 10% and 5ml of 1%

and..