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Chapter 10 Review Exercises

Chapter 10 Review Exercises
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  • 1. Calculating the Body Fat Percentage and Body Mass Index of a Man

    You have the following information about a man.

    Weight: 145 pounds

    Waist: 30 inches

    Age: 22 years

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

    • Worked-Out Solution
      1. Using a spreadsheet, you can see that the man's body fat percentage is about 12.5%.

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

        The man's body mass index is about 19.70.

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       _____     ___      _  _     ______    ______  
      / ___//   / _ \\   | \| ||  /_   _//  /_   _// 
      \___ \\  | / \ ||  |  ' ||   -| ||-   `-| |,-  
      /    //  | \_/ ||  | .  ||   _| ||_     | ||   
     /____//    \___//   |_|\_||  /_____//    |_||   
    `-----`     `---`    `-` -`   `-----`     `-`'   
                                                     
    
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  • 2. Calculating the Body Fat Percentage and Body Mass Index of a Woman

    You have the following information about a woman.

    Weight: 115 pounds

    Wrist: 4 inches

    Waist: 25 inches

    Hips: 31 inches

    Forearm: 6.6 inches

    Age: 23 years

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

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      ______   __   __    ______   _    _     ____    
     /_   _//  \ \\/ //  /_   _// | || | ||  |  _ \\  
       | ||     \ ` //   `-| |,-  | || | ||  | |_| || 
      _| ||      | ||      | ||   | \\_/ ||  | .  //  
     /__//       |_||      |_||    \____//   |_|\_\\  
     `--`        `-`'      `-`'     `---`    `-` --`  
                                                      
    
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  • 3. Calculating a Man's Daily Calorie Balance

    You have the following information about a man.

    Weight: 145 pounds

    Height: 68 inches

    Age: 22 years old

    Activity level: very active

    Daily calorie intake: 3200 calories

    Determine whether you would expect the man to be losing weight or gaining weight. Explain your reasoning.

    • Worked-Out Solution

      Using a spreadsheet, you can see that the man should be gaining weight.

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     _    _    __   __     _____    _____    __   _   
    | \  / ||  \ \\/ //   / ___//  |  ___|| | || | || 
    |  \/  ||   \ ` //    \___ \\  | ||__   | '--' || 
    | .  . ||    | ||     /    //  | ||__   | .--. || 
    |_|\/|_||    |_||    /____//   |_____|| |_|| |_|| 
    `-`  `-`     `-`'   `-----`    `-----`  `-`  `-`  
                                                      
    
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  • 4. Calculating a Woman's Daily Calorie Balance

    You have the following information about a woman.

    Weight: 115 pounds

    Height: 64 inches

    Age: 23 years

    Activity level: moderately active

    Daily calorie intake: 1600 calories

    Determine whether you would expect the woman to be losing weight or gaining weight. Explain your reasoning.

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     __   _    _    _   __    __    ______    _  _   
    | || | || | || | || \ \\ / //  /_   _//  | \| || 
    | '--' || | || | ||  \ \/ //    -| ||-   |  ' || 
    | .--. || | \\_/ ||   \  //     _| ||_   | .  || 
    |_|| |_||  \____//     \//     /_____//  |_|\_|| 
    `-`  `-`    `---`       `      `-----`   `-` -`  
                                                     
    
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  • 5. Determining Whether a Person is in the Cardio Zone

    Use the graph to determine whether a 25-year-old with a heart rate of 160 beats per minute is in the cardio zone.

    • Worked-Out Solution

      From the graph, you can see that a 25-year-old with a heart rate of 160 beats per minute is in the cardio zone.

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      ____       ___      _  _      ___      _____   
     |  _ \\    / _ \\   | \| ||   / _ \\   |__  //  
     | |_| ||  / //\ \\  |  ' ||  | / \ ||    / //   
     | .  //  |  ___  || | .  ||  | \_/ ||   / //__  
     |_|\_\\  |_||  |_|| |_|\_||   \___//   /_____|| 
     `-` --`  `-`   `-`  `-` -`    `---`    `-----`  
                                                     
    
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  • 6. Determining Whether a Person is in the Cardio Zone

    Use the graph to determine whether a 50-year-old with a heart rate of 100 beats per minute is in the cardio zone.

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      ______     ___      _____    _    _    ______   
     /_   _//   / _ \\   / ____|| | || | || |      \\ 
     `-| |,-   | / \ || / //---`' | || | || |  --  // 
       | ||    | \_/ || \ \\___   | \\_/ || |  --  \\ 
       |_||     \___//   \_____||  \____//  |______// 
       `-`'     `---`     `----`    `---`   `------`  
                                                      
    
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