Answer
1 can in the top row
$a_n = 25-4n$
Work Step by Step
First row = 25 cans
Second row = 21 cans
$25-21=4$
4 is the common difference
$21-4=17$
$17-4=13$
$13-4=9$
$9-4=5$
$5-4=1$
1 can in the top row
$a_n = 25-4n$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Review - Page 667: 26
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