Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises - Page 128: 52

Answer

\$4.43

Work Step by Step

$\frac{3.69}{10}=\frac{x}{12}$ cross multiply $44.28=10x$ divide both sides by 10 $44.28\div10=10x\div10$ simplify $4.428=x$
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