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### 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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These comments are not screened before publication. Constructive debate about the information on this page is welcome, but personal attacks are not. Please do not post comments that are commercial in nature or that violate copyright. Comments that we regard as obscene, defamatory, or intended to incite violence will be removed. If you find a comment offensive, you may flag it.
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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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