Answer
27
Work Step by Step
1. Subtract the ones column by regrouping, so 6 becomes 16.
16 - 9 = 7
2. Subtract the tens column, where 4 becomes 3.
3 - 1 = 2
Therefore, the answer is 27.
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 1 - Whole Numbers - Review Exercises - Page 104: 20
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