Answer
It will be $15\frac{3}{4}$ ft shorter.
Work Step by Step
Since each piece cut off is $2\frac{1}{4}$ ft, and there are $7$ pieces cut off, total amount cut off is $2\frac{1}{4}\times7=15\frac{3}{4} ft.$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Practice and Problem-Solving Exercises - Page 43: 48
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