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Worksheet: Using Rational Equations to Solve Real World Problems


A container holds 100 mL of a solution that is 25 mL acid. If mL of a solution that is acid is added, the function gives the concentration, , as a function of the number of milliliters added, . Express as a function of and determine the number of milliliters needed to have a solution that is acid.

  • A , 750 mL
  • B , 68 mL
  • C , 23 mL
  • D , 250 mL
  • E , 50 mL