C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Chapter 4, Problem 18PE
One way to determine how healthy a person is by measuring the body fat of the person. The formulas to determine the body fat for female and male are as follows:
Body fat formula for women:
- A1 = (body weight x 0.732) + 8.987
- A2 = wrist measurement (at fullest point)/3.140
- A3 = waist measurement (at navel) x 0.157
- A4 = hip measurement (at fullest point) x 0.249
- A6 = forearm measurement (at fullest point) x 0.434
- B = A1 + A2 – A3 – A4 + A5
- Body fat = body weight - B
- Body fat percentage = body fat x 100/body weight
Body fat formula for men:
- A1 = (Body weight x 1.082) + 94.42
- A2 = wrist measurement x 4.15
- B = A1 – A2
- Body fat = body weight – B
- Body fat percentage = body fat x 100/body weight
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Context: Measuring Air Quality
Levels of various air borne pollutants such as Nitrogen Monoxide (NO), Nitrogen Dioxide (NO2) and particulate matter (also called particle pollution) are all major contributors to the measure of overall air quality.
For instance, NO2 is measured using micrograms in each cubic metre of air (㎍/m3). A microgram (㎍) is one millionth of a gram. A concentration of 1 ㎍/m3 means that one cubic metre of air contains one microgram of pollutant.
To protect our health, the UK Government sets two air quality objectives for NO2 in their Air Quality Strategy
The hourly objective, which is the concentration of NO2 in the air, averaged over a period of one hour.
The annual objective, which is the concentration of NO2 in the air, averaged over a period of a year.
The following table shows the colour encoding and the levels for Objective 1 above, the mean hourly ratio, adopted in the UK.
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Low
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Moderate
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The Harris-Benedict equation estimates the number of calories your body needs to maintain your weight if you do no exercise. This is called your basal metabolic rate, or BMR.
The calories needed for a woman to maintain her weight is:
WBMR = 655 + (4.3 × weight in pounds) + (4.7 × height in inches) − (4.7× age in years)
The calories needed for a man to maintain his weight is:
MBMR = 66 + (6.3 × weight in pounds) + (12.9 × height in inches) − (6.8 × age in years)
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NOTE: This is an application of a selection statement!
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Chapter 4 Solutions
C++ Programming: From Problem Analysis to Program Design
Ch. 4 - Prob. 1TFCh. 4 - Prob. 6SACh. 4 - Prob. 12SACh. 4 - Write a program that prompts the user to input a...Ch. 4 - Write a program that prompts the user to output an...Ch. 4 - Prob. 4PECh. 4 - In a right triangle, the square of the length of...Ch. 4 - Write a program that mimics a calculator. The...Ch. 4 - Redo Exercise 8 to handle floating-point numbers....Ch. 4 - The number of lines that can be printed on a paper...
Ch. 4 - The short-term, 0-24 hours, parking fee, F, at an...Ch. 4 - Write a program to implement the algorithm that...Ch. 4 - Samantha and Vikas are looking to by a house in a...Ch. 4 - One way to determine how healthy a person is by...Ch. 4 - Ron bought several acres of farm to grow and sell...Ch. 4 - The cost of renting a room at a hotel is, say...Ch. 4 - Let l be a line in the x-y plane. If l is a...Ch. 4 - The first 11 prime integers are 2, 3, 5, 7, 11,...
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