Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
5th Edition
ISBN: 9780134801155
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 7, Problem 3PE

Fat Gram Calculator

Design a program that asks for the number of fat grams and calories in a food item.

Validate the input as follows:

  • Make sure the number of fat grams and calories is not less than 0.
  • According to nutritional formulas, the number of calories cannot exceed fat grams X 9. Make sure that the number of calories entered is not greater than fat grams X 9.

Once correct data has been entered, the program should calculate and display the percentage of calories that come from fat. Use the following formula:

P e r c e n t a g e   o f   c a l o r i e s   f r o m   f a t = ( F a t   g r a m s × 9 )   ÷ C a l o r i e s

Some nutritionists classify a food as “low fat” if less than 30 percent of its calories come from fat. If the results of this formula are less than 0.3, the program should display a message indicating the food is low in fat.

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Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)

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