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For more information, please see full course syllabus of GRE/ACT/PSAT Math
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  • Intro 0:00
  • The Basics: Rates 0:11
    • Using Units in Rate Problems
    • The Classic Rate Problems, d=rt
  • Dealing with Time in Rates 2:47
    • Changing Minutes to Seconds and Vice Versa
    • Changing Hours to Minutes and Vice Versa
    • The Big One: Seconds to Hours
  • Combining Multiple Rates 6:31
    • Which Questions to Ask
    • Set Up Two Equations
  • Solving Rates 9:32
    • Quick Example: Using d=rt
  • Solving Multiple Rates 12:29