Answer
30cm of fish can be placed in a 40L aquarium.
Work Step by Step
Use ratios and cross multiplication to find the total length of fish.
$\frac{3cm}{4L}=\frac{x\ cm}{40L}$
$4x=(3)(40)$
$4x\div4=120\div4$
$x=30$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 7 - Measurement - 7.3 The Metric System - Capacity and Weight (Mass) - 7.3 Exercises - Page 504: 74
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