Karens back yard has a width of 20 meters and a length of 30 meters. Karen wants

Question:

Karen€™s back yard has a width of 20 meters and a length of 30 meters. Karen wants to put a rectangular flower garden in the middle of the back yard, leaving a strip of grass of uniform width around all sides of the flower garden. If she wants to have 336 square meters of grass, what will be the width and length of the garden?

Karen’s back yard has a width of 20 meters and