Answer
$x=30$
Work Step by Step
To solve the proportion, we put the product of the means equal to the product of the extremes as follows:
$$\frac{10}{25}=\frac{x}{75}\Longrightarrow x\times 25= 75\times 10\Longrightarrow x=\frac{750}{25}=30 .$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Review - Page 289: 8
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