we can rule out 1 because of x-3 and x-4. you can't have negative inches. we can rule out 6 because that would make the ratio of NK:LN 2 2/3 and the ratio of OJ:LO 3, and they have to be the same. then we come to 8, which has the ratios of NK:LN=1/2 and OJ:LO=1/2
