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Simultaneous Equations Concepts -- Distance, Rate and Time

Module by: Kenny M. Felder. E-mail the author

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Summary: This module introduces distance, rate, and time.

Note: Your browser may not currently support MathML. See our browser support page for additional details. You can always view the correct math in the PDF version.

If you travel 30 miles per hour for 4 hours, how far do you go? A little common sense will tell you that the answer is 120 miles.

This relationship is captured in the following equation:

d=rtd=rt size 12{d= ital "rt"} {} where...

  • dd size 12{d} {} is distance traveled (sometimes the letter x is used instead, for position)
  • rr size 12{r} {} is the rate, or speed (sometimes the letter v is used, for velocity)
  • tt size 12{t} {} is the time

This is presented here because it forms the basis for many common simultaneous equations problems.

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