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Rate of increase problem

  1. May 3, 2004 #1
    A gallon of milk was $1.79 two years ago. Today, it's $2.15. Find the rate it increased each year.
  2. jcsd
  3. May 4, 2004 #2
    Is the rate of increase constant?

  4. May 4, 2004 #3


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    As for any rate of change problem

    [tex] r = \frac {\Delta P} {\Delta t}[/tex]

    r is the rate of change, P is price, t is time.
  5. May 5, 2004 #4


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    Science Advisor

    I've posted my answer here

    Can you stop double posting. Come on, you know better.
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