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need help on this algebra world problem?

Posted by admin on Friday, February 17, 2012 · 3 Comments 

darren collects coins. his collection has a total of 40 old coins containing only dimes and quarters. if the face value of the coins in his collection is 7.30, how many dimes and how many quarters are in the collection?

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3 Responses to “need help on this algebra world problem?”
  1. michaelempeigne says:
    February 18, 2012 at 12:23 am

    x + y = 4010x + 25y = 730

  2. sqorpeo says:
    February 18, 2012 at 12:47 am

    18 22/4 groat

  3. Baird says:
    February 18, 2012 at 12:51 am

    Two make simitaneuos equationslet x = Number of Number of quartersx dimesy = + y = 40 + 25x. 10 y = 7 30 and l? Sen in this case either

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