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Can someone tell me if this is right ?

  1. Nov 30, 2004 #1
    can someone tell me if this is right plz?

    can someone tell me if this is right plz?

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    it says "solve the equation by first clearing the fractions." the equation is "2/5=5/8n-4" i got for my answer "1 1/25" is this correct?
     
  2. jcsd
  3. Nov 30, 2004 #2
    cmon im sure one of yall collage people can answer this is only a 7th grade problem.
     
  4. Nov 30, 2004 #3
    The answer is 25/176, unless you mean 5/(8n-4), in which case it is 33/16
     
  5. Nov 30, 2004 #4

    Zurtex

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    That depends what you mean, either:

    [tex]\frac{2}{5}=\frac{5}{8n-4}[/tex]

    [tex]2(8n-4) = 25[/tex]

    Or:

    [tex]\frac{2}{5}=\frac{5}{8n} - 4[/tex]

    [tex]2 = \frac{25}{8n} - 20[/tex]

    [tex]22 = \frac{25}{8n}[/tex]

    [tex]176n=25[/tex]
     
  6. Dec 1, 2004 #5
    ty everyone =)
     
  7. Dec 1, 2004 #6

    Zurtex

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    I just thought you might also mean:

    [tex]\frac{2}{5}=\frac{5}{8}n-4[/tex]

    [tex]\frac{16}{5}=5n-32[/tex]

    [tex]\frac{176}{5}=5n[/tex]
     
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