SOLUTION: The length of a rectangle is 3 ft less than double the width, and the area of the rectangle is 14 ft2 . Find the dimensions of the rectangle.

Algebra ->  Surface-area -> SOLUTION: The length of a rectangle is 3 ft less than double the width, and the area of the rectangle is 14 ft2 . Find the dimensions of the rectangle.       Log On


   



Question 1116614: The length of a rectangle is
3 ft
less than double the width, and the area of the rectangle is
14 ft2
. Find the dimensions of the rectangle.

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
%282w-3%29%2Aw=14

2w%5E2-3w-14=0

%282w-7%29%28w%2B2%29=0

2w-7=0
2w=7
highlight%28w=7%2F2%29-----3%261%2F2------width

7-3=highlight%284%29------length