Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - Chapter Summary, Review, and Test - Review Exercises - Page 45: 33


8 pounds

Work Step by Step

There are $7$ frankfurters in one pound. We need to supply $28$ people with $2$ frankfurters each. We need a total of $28*2=56$ frankfurters. We need a total of $56\div7=8$ pounds. Checking the solution: $(8*7)\div2=56\div2=28$
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