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
Algebra 1
by Hall, Prentice
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: 54
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