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 - Practice - Page 533: 6

Answer

6/5 hours

Work Step by Step

Andrew completes in 2 hours alone (or gets 1/2 done in an hour) Timothy completes in 3 hours alone (or gets 1/3 done in an hour) $1/2 + 1/3 = 1/x$ $6(1/2 + 1/3 = 1/x)$ $3+ 2=6/x$ $5=6/x$ $5*x=6*x/x$ $5x=6$ $5x/5 = 6/5$ $x=6/5$
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