Answer
$\$184$
Work Step by Step
If 60 ft of fencing costs $\$138$, then 80 ft costs $x$. So we get the ratio
$$
\frac{60}{138}=\frac{80}{x}\Longrightarrow x=\frac{80\cdot 138}{60}=\$184
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Test - Page 290: 7
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