    Program Resources Online Student Edition Student Workbooks Math in the Workplace Meet the Authors Problem-Solving Strategy Updates Chapter Resources Chapter Investigations Chapter Readiness Quiz Chapter Review Activities Chapter Test Concepts in Motion Data Updates Problem of the Week Cards Test Practice Concepts in Motions Lesson Resources Extra Examples Parent and Student Study Guide Personal Tutor Self-Check Quizzes Concepts and Applications |  |  MathematicsChapter InvestigationsChapter 4: Multiplication and Division Equations Permutations with Duplicated Letters Learn how to find the number of permutations when some of the items are the same. Log InThe resource you requested requires you to enter a username and password below: |
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