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 1 Test - Page 46: 13

Answer

There are about 51 billion pounds of plastic per year.

Work Step by Step

The chart shows 512 billion pounds of trash for the year. It also tells us that 11% if it is plastic. So, estimating 10% plastic and 510 billion pounds of trash, we can multiply and get 01(510) which is 51 billion pounds per year.
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