Answer
Estimate 2 dollars
Exact $1.80
Work Step by Step
Estimate
$20 - 7 - 10 - 1 = 2$
Exact
$20 - 7.42 - 10.09 - 0.69 = 1.80
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 4 - Decimals - 4.3 Adding and Subtracting Decimal Numbers - 4.1 Exercises - Page 287: 44
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