Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.6 - Proportions and Problem Solving with Rational Equations - Vocabulary and Readiness Check: 2

Answer

Answer: $a.$ Less than 25 hours

Work Step by Step

The reason is very simple: If the second pipe can $alone$ fill the pond in 25 hours, any help from the first pipe will reduce the total time the pond is filled in.
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