Algebra: A Combined Approach (4th Edition)

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

Chapter 3 - Section 3.1 - Reading Graphs and the Rectangular Coordinate System - Exercise Set: 57

Answer

a) (100, 13,000) (200, 21,000) (300, 29,000) b) 45 computer desks

Work Step by Step

a) y= 80(100) + 5000 8000+5000=13000 y=80(200)+5000 16000+5000=21000 y=80(300)+5000 24000+5000=29000 b) 8600=80x+5000 3600=80x x=45
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