Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.4 - Linear Inequalities and Problem Solving - Exercise Set - Page 87: 83

Answer

37.6 lbs

Work Step by Step

We simply plug 15 into the equation to find: $$ w = -2.11(15)+37.55$$ Then, follow PEMDAS. In other words, first address parentheses, and then resolve exponents. Next, simplify division and multiplication, and lastly address subtraction and addition. This gives the answer: 37.6 lbs.
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