You have 20 meters of fencing and wish to build a fence around a rectanglar pen.?

You need to decide on how to cut the fence so that you build a rectangle that has an area of 18.75 square meters.





1) what varies in this situation?





2) what is constant in this situation?





3) write a formula that expresses the length of the rectangle as a function of the width of the rectangle.|||1) the Length L and the Width W vary





2) the Area of the rectangle is constant





3 L*W = 18.75 so L=W/18.75