Answer
Her average monthly income was $2,100$ dollars.
Work Step by Step
$\frac{2400+1900+2500+2300+1600+1900}{6} = 2100$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - Summary Exercises - Operations with Signed Numbers - Page 657: 54
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