Posted by BERNIE on Friday, August 3, 2012 at 5:31pm.
Let
w=width
length=w+4
Area,
77=(w+4)w
Solve for w:
w²+4w-77=0
(w+11)(w-7)=0
So
w=7 or w=-11 (reject)
=>
width = 7'
check:
7*(7+4)=77, good.
Related Questions
Algebra - The length of a rectangular banner is 3 feet longer than its width. If...
Math ( Algebra 1 ) - Two rectangles have the same width. The length of one is 2 ...
algebra - Two rectangles have the same width. The length of one is 1 foot longer...
algebra - the ancient greeks thought that the most pleasing shape for a ...
Algebra - The width of a rectangular plot is 2 feet longer than one-third the ...
math - The length of a rectangular swimming pool is 15 feet longer than the ...
College Algebra - The area of a rectangular wall of a barn is 24 square feet. ...
algebra - The area of a rectangular wall of a bran is 96 square feet. Its length...
algebra - The rectangular floor of a shed has a length 4 feet longer than its ...
math - A farmer needs to fence a rectangular piece of land.She wants the length ...
For Further Reading
