#### Answer

80

#### Work Step by Step

The Commutative Property of Addition states that order of addition does not matter, so we add all three numbers in any order we choose.
55.3+.2=55.5
55.5+23.8=79.3
79.3+.7=80

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

80

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