To make a friendhip bracelet, ome long tring are lined up; then, one tring i tied in a knot with each of the other tring to create a row of knot. A new tring i choen and knotted with the all the other tring to create a econd row. Thi proce i repeated until there are enough row to make a bracelet to fit around your friend' writ. Are the number of knot proportional to the number of row? Explain your reaoning