Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises: 127

Answer

(a) $-\$466.02$ (b) $-\$190.68$

Work Step by Step

(a) We calculate Ahmad's balance: $-\$382.45+\$25.10+\$34.50-\$45.00-\$98.17$ $=-\$466.02$ Thus his payment should be $\$466.02$ to achieve $\$0$ balance. (b) We start with the balance from (a) and include the new changes ($\$300$ added, $\$24.66$ subtracted): $-\$466.02+\$300-\$24.66$ $=-\$190.68$
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