The length of a rectangle is 1 foot less than 4 times its width. How do you find the dimensions of this rectangle if the area is 60 square feet?
1 Answer
Dimensions of rectangle are
Explanation:
Assume that the width in feet is
As area of a rectangle (which is
Hence
As this is a quadratic equation of type
Hence equation can be written as
or
solution is
As width cannot be
Hence dimensions of rectangle are