Question 959168
S=short section; L=long section=3S
S+L=28ft Substitute for L.
S+3S=28ft
4S=28ft
S=7ft ANSWER: The short piece is 7 feet long.
CHECK:
L=2S=3(7ft)=21 ft
S+L=28ft
7ft+21ft=28ft
28ft=28ft