Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.6 - Percent and Mixture Problem Solving - Exercise Set: 73


17.1% of calories are calories from proteins.

Work Step by Step

There are 12 grams of protein in a serving of this food. 4 calories per gram make $12*4=48$ calories of proteins. Hence, $\frac{48}{280}\approx17.1$% of calories are calories from proteins.
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