Precalculus (6th Edition) Blitzer

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

Chapter 10 - Section 10.2 - Arithmetic Sequences - Exercise Set - Page 1060: 63


Company A pays $\$ 1400$ more.

Work Step by Step

We know that $a_n=a_1+(n-1) d$ Here, we have $a_{10}=24,000+1600(10-1)=38,400$ and $b_{10}=28,000+1000(10-1)=37,000$ Thus, it has been seen that $a_{10} \gt b_{10}$ Now, $a_{10}-b_{10}=38,400-37,000=1400$ Thus, Company A pays $\$ 1400$ more.
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