Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 9 - Basic Algebra - Summary Exercises - Operations with Signed Numbers - Page 657: 55

Answer

Her average monthly amount of expenses was $1,850$ dollars.

Work Step by Step

$\frac{3100+2000+1800+1400+1600+1200}{6} = 1850$
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