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 127: 20



Work Step by Step

$\frac{3}{8}=\frac{30}{m}$ cross multiply $3m=30\times8$ divide both sides by 3 $3m\div3=240\div3$ simplify $m=80$
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