Answer
$38.65\,s$
Work Step by Step
$\text{time}=\frac{\text{distance}}{\text{speed}}=\frac{400\,m}{10.35\,m/s}=38.65\,s$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 1 - Solving Linear Equations - 1.1 - Solving Simple Equations - Monitoring Progress - Page 6: 7
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