Answer
42
Work Step by Step
First set up proportion : $\frac{7}{x}$=$\frac{4.5}{27}$. Cross multiply, we have 189=4.5x => x =42
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - Chapter Review - 2-7 and 2-8 Solving Proportions and Using Similar Figures - Page 155: 51
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