SOLUTION: The width of a rectangle is 4 units less than the length.If the area is 45 square units, then find the dimensions of the rectangle
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Question 1124577: The width of a rectangle is 4 units less than the length.If the area is 45 square units, then find the dimensions of the rectangle Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! length is x, width is x-4
Their product is 45
x(x-4)=45
x^2-4x-45=0
(x-9)(x+5)=0
only positive root is for length x to be 9 units. Width is 5 units.
