College Algebra 7th Edition

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

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 60: 86


$x=\frac{3.20}{0.22}\approx 14.55$

Work Step by Step

$\displaystyle \frac{1.73x}{2.12+x}=1.51$ We cross multiply: $1.73x=1.51(2.12+x)$ And distribute: $1.73x=3.20+1.51x$ And combine $x$ terms: $0.22x=3.20$ And solve for $x$: $x=\frac{3.20}{0.22}\approx 14.55$
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