Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.8 - Modeling with Equations - Exercise Set - Page 122: 5

Answer

$7$ years from 2014 is the year 2021.

Work Step by Step

Let x be the number of years after 2014. 37,600 increased by $1250x=37,600+1250x $ We want to find the x for which this equals $46,350.$ $ 37,600+1250x=46,350 \qquad $ ... subtract $37,600$ $1250x=46,350-37,600$ $ 1250x=8,750 \qquad $ ... divide with $1250$ $ x=7$ $7$ years from 2014 is the year 2021.
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