Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 1: Functions - Section 1.1 - Functions and Their Graphs - Exercises 1.1 - Page 12: 59


When $s$ is $60$, $t$ is equal to $180$.

Work Step by Step

$s=c*t$ $s=25$ $t=75$ $c=\frac{s}{t}=\frac{1}{3}$ Therefore, when $s=60$ $s=c*t$ $60=\frac{1}{3}t$ $t=180$
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