Answer
21 minutes
Work Step by Step
Jared takes 36 min
Brother takes 48 min
$1/36*x+1/48*x=1$
$x/36 + x/48 = 1$
$48x/48*36+36x/36*48 = 1$
$84x/36*48=1$
$84x/1728 = 1$
$84x = 1728$
$84x/84 = 1728/84$
$x=20.57$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 12 - Data Analysis and Probability - 12-4 Box-and-Whisker Plots - Standardized Test Prep - Page 739: 29
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