8. If Yao Ming, the 7-foot 6-inch former center of the Houston Rockets, casts a shadow...
8. If Yao Ming, the 7-foot 6-inch former center of the Houston Rockets, casts a shadow of 18 feet 9 inches and Chauncy Billups, the former guard with the Detroit Pistons, standing right beside him casts a shadow of 15 feet, 74 inches, how tall is Billups ?