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Math Help - Please help!! precents

  1. #1
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    Please help!! precents

    Can somene please help with the following question:

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  2. #2
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    Quote Originally Posted by technics View Post
    Can somene please help with the following question:

    S=220-A

    Therefore: S=220-50

    Finally: S=170
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  3. #3
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    why 220 - 50?
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  4. #4
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    Quote Originally Posted by technics View Post
    why 220 - 50?
    look at the dark grey box beneath the picture.

    If you would like to see another way, then please ask.
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  5. #5
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    Quote Originally Posted by technics View Post
    Can somene please help with the following question:

    As the standard maximul heart rate +10% is 187 and the standard maximul heart rate -10% is 153, the standard maximul heart rate is:

    (187+153)/2=170

    RonL
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  6. #6
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    Quote Originally Posted by CaptainBlack View Post
    As the standard maximul heart rate +10% is 187 and the standard maximul heart rate -10% is 153, the standard maximul heart rate is:

    (187+153)/2=120

    RonL
    So, 120 minus 10% is 153? For once it's not me who made the mistake
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  7. #7
    Grand Panjandrum
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    Quote Originally Posted by Quick View Post
    So, 120 minus 10% is 153? For once it's not me who made the mistake
    You were too QUICK replying I posted then checked, you replyed while I was doing the checking.

    RonL
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  8. #8
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    what does 220 represent?
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  9. #9
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    It's just a number.
    Attached Thumbnails Attached Thumbnails Please help!! precents-220.jpg  
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  10. #10
    Grand Panjandrum
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    Quote Originally Posted by technics View Post
    what does 220 represent?
    It is part of the model of standard maximum heart rate as a function of age.

    standard maximum heart rate = 220 - age

    RonL
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