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Thread: word problem

  1. Apr 15th 2008, 06:36 PM #1
    BeBeMala
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    Question word problem

    an average adults heart beats 8 times every 6 seconds,whereas a new baby's heart beats 7 times every 3 seconds.determine whether these rates are the same....
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  2. Apr 15th 2008, 06:37 PM #2
    topsquark
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    Quote Originally Posted by BeBeMala View Post
    an average adults heart beats 8 times every 6 seconds,whereas a new baby's heart beats 7 times every 3 seconds.determine whether these rates are the same....
    \frac{8~beats}{6~s} = 1.3333~beats/s

    \frac{7~beats}{3~s} = 2.333333~beats/s

    So no, they aren't the same.

    -Dan
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  3. Apr 15th 2008, 06:38 PM #3
    Mathstud28
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    Ok

    Quote Originally Posted by BeBeMala View Post
    an average adults heart beats 8 times every 6 seconds,whereas a new baby's heart beats 7 times every 3 seconds.determine whether these rates are the same....
    If we reduce both and they are the same they whould equal to eachother and by reducing we get \frac{4}{3}\ne{\frac{7}{3}}..so no
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