Answer
$$162\ ft^2 .$$
Work Step by Step
Since $1 yd=3 ft$, then we have
$$18 \ yd^2 =18 \times 3^2 \ ft^2=162\ ft^2 .$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 3 - Review - Page 157: 32
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