Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - 7.6 - More Fractional Equations and Problem Solving - Concept Quiz 7.6 - Page 313: 4



Work Step by Step

Assuming that the workers are not slowing each other down, this is true. Consider the case of rocks. If I can move 10 rocks per hour and you can move 20 rocks per hour, together we can move 30 rocks per hour.
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