Answer
1290.24 lb
Work Step by Step
Multiply to find the weight. Note the cancellation of units in the numerators and denominators.
$4.00\ ft\times8.00\ ft\times\frac{40.32\ lb}{1\ ft^2}=32\ ft^2\times\frac{40.32\ lb}{1\ ft^2}=1290.24\ lb$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.12 - Multiplication and Division of Decimal Fractions - Exercises - Page 73: 67
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