Answer
x=24
Work Step by Step
Set the product of the means equal to the product of the extremes and solve for the variable.
$5\times x=12 \times10$
$5x=120$
$5x\div5=120\div5$
$x=24$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Section 7.2 - Proportion - Exercises - Page 277: 16
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