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10.1 Health & Fitness

10.1 Health & Fitness
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  • 1. Calculating a Woman's Ideal Weight

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    Use the formula to find the ideal weight of a woman who is 5 feet 2 inches tall. (See Example 1.)

    • Worked-Out Solution

      Use the formula to find the woman's ideal weight.

      The woman's ideal weight is 115.5 pounds.

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      `---`     `---`     `----`   `-----`   `-` --`  
                                                      
    
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    system user
    Ron Larson (author)7 years ago |
    I know what you mean. The last time I was anywhere near my ideal weight, I was probably 16 years old.
    0
    system user
    Guest   7 years ago |
    I guess I should be 7' 6".
    0
  • 2. Calculating a Man's Ideal Weight

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    Use the formula to find the ideal weight of a man who is 5 feet 3 inches tall. (See Example 1.)

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    |  /\  ||  | ||__    | .  //  |  ___  ||| .  . || 
    |_// \_||  |_____||  |_|\_\\  |_||  |_|||_|\/|_|| 
    `-`   `-`  `-----`   `-` --`  `-`   `-` `-`  `-`  
                                                      
    
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  • 3. Calculating a Man's Ideal Weight

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    Use the formula to find the ideal weight of a man who is 6 feet tall. (See Example 1.)

    • Worked-Out Solution

      Use the formula to find the man's ideal weight.

      The man's ideal weight is 163 pounds.

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       | ||     -| ||-  |  \/  ||  / //\ \\    / //   
      _| ||     _| ||_  | .  . || |  ___  ||  / //__  
     /__//     /_____// |_|\/|_|| |_||  |_|| /_____|| 
     `--`      `-----`  `-`  `-`  `-`   `-`  `-----`  
                                                      
    
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  • 4. Calculating a Woman's Ideal Weight

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    Use the formula to find the ideal weight of a woman who is 6 feet 4 inches tall. (See Example 1.)

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     _    _      ___     ______     _____    __   __  
    | || | ||   / _ \\  |      \\  |  ___||  \ \\/ // 
    | || | ||  / //\ \\ |  --  //  | ||__     \   //  
    | \\_/ || |  ___  |||  --  \\  | ||__     / . \\  
     \____//  |_||  |_|||______//  |_____||  /_//\_\\ 
      `---`   `-`   `-` `------`   `-----`   `-`  --` 
                                                      
    
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    Guest   12 months ago |
    gang gang gang gang gang gang gan
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  • 5. Calculating the Ideal Weight of a Person Shorter than 5 Feet

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    How do you think you should calculate the ideal weight of a person who is shorter than 5 feet tall? Explain your reasoning. Then find the ideal weight of a woman who is 4 feet 8 inches tall. (See Example 1.)

    • Worked-Out Solution

      To calculate the ideal weight of a woman who is shorter than 5 feet tall, you should subtract 3.75 pounds for every inch under 5 feet. For a man, you should subtract 4 pounds. This is because the Robinson formula gives a linear relationship between ideal weight and height.

      The woman's ideal weight is 93 pounds.

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      ______    ______    _____     ______    ______  
     /_____//  /_   _//  |__  //   /_   _//  /_   _// 
     `____ `    -| ||-     / //     -| ||-   `-| |,-  
     /___//     _| ||_    / //__    _| ||_     | ||   
     `__ `     /_____//  /_____||  /_____//    |_||   
     /_//      `-----`   `-----`   `-----`     `-`'   
     `-`                                              
    
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  • 6. Comparing Ideal Weights for Men and Women

    In 1983, Dr. J.D. Robinson published the following formula for ideal weight.

    Men:

    Women:

    Weight = 115 pounds + 4 pounds per inch over 5 feet

    Weight = 108 pounds + 3.75 pounds per inch over 5 feet

    Compare the ideal weights for men and women given by the Robinson formula. (See Example 1.)

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      _  _    _    _     _____      ___      ______  
     | \| || | || | ||  |__  //    / _ \\   /_____// 
     |  ' || | || | ||    / //    | / \ ||  `____ `  
     | .  || | \\_/ ||   / //__   | \_/ ||  /___//   
     |_|\_||  \____//   /_____||   \___//   `__ `    
     `-` -`    `---`    `-----`    `---`    /_//     
                                            `-`      
    
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  • 7. Calculating the Body Fat Percentage and Body Mass Index of a Man

    You have the following information about a man.

    Weight: 160 pounds

    Waist: 34 inches

    Age: 21 years

    Find (a) the body fat percentage and (b) the body mass index for the man. (See Example 2.)

    • Worked-Out Solution
      1. Using a spreadsheet, you can see that the man's body fat percentage is about 21.0%.

      2. Use the formula for body mass index to find the man's body mass index.

        The man's body mass index is about 26.94.

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      _____      ___     _    _    _    _     ____    
     /  ___||   / _ \\  | |  | || | || | ||  |  _ \\  
    | // __    / //\ \\ | |/\| || | || | ||  | |_| || 
    | \\_\ || |  ___  |||  /\  || | \\_/ ||  | .  //  
     \____//  |_||  |_|||_// \_||  \____//   |_|\_\\  
      `---`   `-`   `-` `-`   `-`   `---`    `-` --`  
                                                      
    
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  • 8. Calculating the Body Fat Percentage and Body Mass Index of a Woman

    You have the following information about a woman.

    Weight: 125 pounds

    Wrist: 4.5 inches

    Waist: 24 inches

    Hips: 30 inches

    Forearm: 7 inches

    Age: 18 years

    Find (a) the body fat percentage and (b) the body mass index for the woman. (See Example 2.)

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       /   ||  / //\ \\  | |_| ||  | ||__     \   //  
      | [] || |  ___  || | .  //   | ||__     / . \\  
       \__ || |_||  |_|| |_|\_\\   |_____||  /_//\_\\ 
        -|_|| `-`   `-`  `-` --`   `-----`   `-`  --` 
         `-`                                          
    
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