College Algebra 7th Edition

by Stewart, James; Redlin, Lothar; Watson, Saleem

Published by Brooks Cole

ISBN 10: 1305115546

ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises - Page 70: 8

Answer

$3n$

Work Step by Step

$n$ = the middle integer $n-1$ = the first integer $n+1$ = the last integer Thus the sum is: $(n-1)+n+(n+1)=3n$

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