Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises: 54

Answer

x = 53

Work Step by Step

Step 1) (12/32) = (20/x) ... Proportion Step 2) 12x = 32(20) ... Cross product property Step 3) 12x = 640 ... Multiply Step 4) x = (640/12) ... Divide each side by 12 Step 5) x= 53 ... Simplify
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