College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises - Page 72: 50

Answer

$2.4$L

Work Step by Step

Currently there is $6\cdot120=720$g. So if we boil $x$ liters, the equation becomes: $\frac{720}{6-x}=200\\720=200(6-x)\\720=1200-200x\\200x=480\\x=2.4$
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