Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - 4.4 Multiplying Decimal Numbers - 4.4 Exercises - Page 294: 48

Answer

The perimeter before 1929 was 21.09 inches. The perimeter after 1929 is 17.50 inches. The perimeter today is 3.59 inches less than the bills printed before 1929.

Work Step by Step

(a) $7.4218+7.4218+3.125+3.125= 21.09$ $6.14+6.14+2.61+2.61= 17.50$ (b) $21.09 - 17.50 = 3.59$
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