Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set - Page 133: 16

Answer

The amount of hours it is expected to take is 12 hours.

Work Step by Step

Estimate is $404$. Plumbing parts cost $80$ Left-over of estimate is $324$. Hourly pay rate is $27$. Amount of hours $324\div27$ $=12$

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