Algebra 1

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

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Mixed Review - Page 129: 70



Work Step by Step

$\frac{x}{12}=\frac{7}{30}$ cross multiply $30x=84$ divide both sides by 30 $30x\div30=84\div30$ simplify $x=2.8$
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