4-65. You may remember that a quadrilateral is a four-sided figure. There are many different kinds of quadrilaterals. On graph paper, draw a quadrilateral with one side that is 12 units long and another side that is 9 units long. Then reduce your quadrilateral so that the ratio of sides of new to original is 2 to 3.​

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?