## College Algebra 7th Edition

Published by Brooks Cole

# Chapter 8, Sequences and Series - Section 8.2 - Arithmetic Sequences - 8.2 Exercises: 73

$\$403,500$#### Work Step by Step We know the salary forms an arithmetic sequences with:$a_1=30000$And:$d=2300$We find the sum after 10 years:$S_{n}= \frac{n}{2}[2a_1+(n-1)d]=403500S_{10}= \frac{10}{2}[2(30000)+(10-1)(2300)]=403500\$

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