Posted by Anonymous on Wednesday, September 21, 2011 at 10:01pm.
Boring
True, but that gets 0 points.
If the walk is w feet wide, then the inside dimensions are 24x26 and the outer dimensions are 24+w and 26+w. So, the area of the walk is the outer area minus the inner area.
(26+2w)(24+2w) - 26*24 = 624 + 100w + 4w^2 - 624 = 104
4w^2 + 100w - 104 = 0
w^2 + 25w + -26 = 0
(w-1)(w+26) = 0
So, w = 1 (-26 makes no physical sense)
26*28 - 26*24 = 26*4 = 104 as wanted.
Related Questions
Algebra - A rectangular plot of ground having dimensions 24 feet by 26 feet is ...
math - a rectangular plot of ground having dimensions 46 feet by 30 feet is ...
Math - A man built a walk of uniform width around a rectangular pool. If the ...
Math - I need some help with this problem please!! your parents are installing a...
math - a rectangular swimming pool measures 20 feet by 40 feet. a walk of ...
Math - A rectangular plot of land is 4 meters longer than it is wide. It's ...
Geometry - A sandpit in the shape of a rectangular prism has length 7 feet, ...
geometry - A sandpit in the shape of a rectangular prism has length 7 feet, ...
math - the dimensions of a rectangular prism are height 7 feet, width 4 feet and...
math - The area of a rectangular plot 24 feet long and 16 feet wide will be ...
For Further Reading
