Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 4 - Decimals - 4.4 Multiplying Decimal Numbers - 4.4 Exercises: 50

Answer

(a) $10,000$ bills (b) $\$200,000$

Work Step by Step

(a) We know from Exercise #49a that 100 bills are 0.43 inches tall. Therefore, a pile 43 inches tall would have 100 times as many bills: $100$ bills$*\frac{43}{0.43}=100*100=10000$ bills (b) We know from part (a) that we have 10000 bills. If each bill is worth $\$20$, then the sum total is: $10000~bills*\$20=\$200,000$
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