Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.1 Apply Properties of Real Numbers - 1.1 Exercises - Skill Practice - Page 7: 30

Answer

3.5 hours

Work Step by Step

Using unit analysis, we obtain: $$ 175 \ miles \times \frac{hour}{50\ miles}=3.5 \ hours$$ The units cancel to give units of hours (a time), so using unit analysis, we see that our solution process was correct.
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