math
posted by marybeth .
a house has two rooms of equal area. one room is square and the other room a rectangle, four feet narrower and 5ft longer than the square one. find the area of each room?
let x = dimensions of the square.
Rectangle then is x4 and x+5
Set areas equal.
area of square is x^{2}
area of rectangle is (x4)*(x+5).
(x4)*(x+5)=x^{2}
solve for x which will be sides of the square. Square that to obtain the area.
Post your work if you get stuck.

8ft
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